{"id":10026,"date":"2026-09-14T20:56:32","date_gmt":"2026-09-14T11:56:32","guid":{"rendered":"https:\/\/salgudiy.com\/js\/css-%ec%8a%a4%ec%bd%94%ed%94%84scope-%ec%8a%a4%ed%83%80%ec%9d%bc%ec%9d%b4-%ec%98%81%ed%96%a5%ec%9d%84-%eb%af%b8%ec%b9%98%eb%8a%94-%eb%b2%94%ec%9c%84\/"},"modified":"2026-09-14T21:36:39","modified_gmt":"2026-09-14T12:36:39","slug":"css-scope-the-range-where-styles-take-effect","status":"publish","type":"js","link":"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/","title":{"rendered":"CSS Scope: The Range Where Styles Take Effect"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"text-align:center;--awb-aspect-ratio: 100 \/ 100;--awb-margin-bottom:70px;--awb-caption-overlay-color:var(--awb-color8);--awb-caption-background-color:var(--awb-color8);--awb-caption-margin-top:20px;--awb-max-width:50%;--awb-caption-title-font-family:var(--awb-typography5-font-family);--awb-caption-title-font-weight:var(--awb-typography5-font-weight);--awb-caption-title-font-style:var(--awb-typography5-font-style);--awb-caption-title-size:var(--awb-typography5-font-size);--awb-caption-title-transform:var(--awb-typography5-text-transform);--awb-caption-title-line-height:var(--awb-typography5-line-height);--awb-caption-title-letter-spacing:var(--awb-typography5-letter-spacing);\"><div style=\"display:inline-block;width:50%;\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none has-aspect-ratio\"><img decoding=\"async\" width=\"1024\" height=\"1024\" alt=\"CSS \uc2a4\ucf54\ud504\" title=\"css-scope\" src=\"https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope.webp\" data-orig-src=\"https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope.webp\" class=\"lazyload img-responsive wp-image-10025 img-with-aspect-ratio\" data-parent-fit=\"cover\" data-parent-container=\".fusion-image-element\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271024%27%20height%3D%271024%27%20viewBox%3D%270%200%201024%201024%27%3E%3Crect%20width%3D%271024%27%20height%3D%271024%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope-200x200.webp 200w, https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope-400x400.webp 400w, https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope-600x600.webp 600w, https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope-800x800.webp 800w, https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope.webp 1024w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 1024px\" \/><\/span><\/div><\/div><div class=\"fusion-text fusion-text-1 fusion-text-no-margin\" style=\"--awb-margin-bottom:60px;\"><p>In CSS, scope refers to the range where styles take effect. In other words, it\u2019s the concept that determines which elements your CSS rules are applied to.<\/p>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-bottom:60px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:var(--awb-custom_color_4);border-color:var(--awb-custom_color_4);border-top-width:1px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-custom_color_4);--awb-margin-bottom:60px;--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;--awb-font-size:2em;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;font-size:1em;--fontSize:32;line-height:var(--awb-typography1-line-height);\">What is CSS scope?<\/h2><\/div><div class=\"fusion-text fusion-text-2 fusion-text-no-margin\" style=\"--awb-margin-bottom:60px;\"><p>Looking at the origin of the word \u201cscope,\u201d<\/p>\n<p>In ancient times, it referred to the target point aimed at when shooting an arrow or the range that could be seen with the eyes. Later, in modern English, its meaning expanded to include range, sphere of influence, and area of application.<\/p>\n<p>This meaning carries over into CSS and programming as well. In programming, scope refers to the range where code has an effect, where variables are visible, and where styles are applied.<\/p>\n<p>Therefore, if you understand the original meaning of the word \u201cscope\u201d as \u201cthe visible range\u201d or \u201cthe range of influence,\u201d it becomes much easier to understand the concept of scope in CSS and programming.<\/p>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-bottom:60px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:var(--awb-custom_color_4);border-color:var(--awb-custom_color_4);border-top-width:1px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-custom_color_4);--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;--awb-font-size:2em;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;font-size:1em;--fontSize:32;line-height:var(--awb-typography1-line-height);\">CSS scope is global by default<\/h2><\/div><style type=\"text\/css\" scopped=\"scopped\">.fusion-syntax-highlighter-1 > .CodeMirror, .fusion-syntax-highlighter-1 > .CodeMirror .CodeMirror-gutters {background-color:var(--awb-custom_color_4);}.fusion-syntax-highlighter-1 > .CodeMirror .CodeMirror-gutters { background-color: var(--awb-custom_color_8); }.fusion-syntax-highlighter-1 > .CodeMirror .CodeMirror-linenumber { color: var(--awb-custom_color_4); }<\/style><div class=\"fusion-syntax-highlighter-container fusion-syntax-highlighter-1 fusion-syntax-highlighter-theme-dark syntaxhighlighter\" style=\"opacity:0;margin-top:30px;margin-right:0px;margin-bottom:60px;margin-left:0px;font-size:14px;border-width:0px;border-style:solid;border-color:var(--awb-color8);\"><div class=\"syntax-highlighter-copy-code\"><span class=\"syntax-highlighter-copy-code-title\" data-id=\"fusion_syntax_highlighter_1\" style=\"font-size:14px;\">Copy to Clipboard<\/span><\/div><label for=\"fusion_syntax_highlighter_1\" class=\"screen-reader-text\">Syntax Highlighter<\/label><textarea class=\"fusion-syntax-highlighter-textarea\" id=\"fusion_syntax_highlighter_1\" data-readOnly=\"nocursor\" data-lineNumbers=\"1\" data-lineWrapping=\"\" data-theme=\"oceanic-next\" data-mode=\"text\/css\">p{\n  color: red;\n}<\/textarea><\/div><div class=\"fusion-text fusion-text-3 fusion-text-no-margin\" style=\"--awb-margin-bottom:60px;\"><p>CSS uses a global scope by default. If you write it like in the example above, all the tags on the page will turn red. This is because CSS basically works by applying styles to every element in the document that matches the selector.<\/p>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-bottom:60px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:var(--awb-custom_color_4);border-color:var(--awb-custom_color_4);border-top-width:1px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-custom_color_4);--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;--awb-font-size:2em;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;font-size:1em;--fontSize:32;line-height:var(--awb-typography1-line-height);\">Scope: the range where styles are applied.<\/h2><\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"--awb-flex-grow:0;--awb-flex-grow-medium:0;--awb-flex-grow-small:0;--awb-flex-shrink:0;--awb-flex-shrink-medium:0;--awb-flex-shrink-small:0;width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-0 fusion_builder_column_inner_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:20px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-div\" style=\"--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;\"><div class=\"fusion-title-heading title-heading-right title-heading-tag fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:16;--minFontSize:16;line-height:var(--awb-typography4-line-height);\">css<\/div><\/div><style type=\"text\/css\" scopped=\"scopped\">.fusion-syntax-highlighter-2 > .CodeMirror, .fusion-syntax-highlighter-2 > .CodeMirror .CodeMirror-gutters {background-color:var(--awb-custom_color_4);}.fusion-syntax-highlighter-2 > .CodeMirror .CodeMirror-gutters { background-color: var(--awb-custom_color_8); }.fusion-syntax-highlighter-2 > .CodeMirror .CodeMirror-linenumber { color: var(--awb-custom_color_4); }<\/style><div class=\"fusion-syntax-highlighter-container fusion-syntax-highlighter-2 fusion-syntax-highlighter-theme-dark syntaxhighlighter\" style=\"opacity:0;margin-top:30px;margin-right:0px;margin-bottom:60px;margin-left:0px;font-size:14px;border-width:0px;border-style:solid;border-color:var(--awb-color8);\"><div class=\"syntax-highlighter-copy-code\"><span class=\"syntax-highlighter-copy-code-title\" data-id=\"fusion_syntax_highlighter_2\" style=\"font-size:14px;\">Copy to Clipboard<\/span><\/div><label for=\"fusion_syntax_highlighter_2\" class=\"screen-reader-text\">Syntax Highlighter<\/label><textarea class=\"fusion-syntax-highlighter-textarea\" id=\"fusion_syntax_highlighter_2\" data-readOnly=\"nocursor\" data-lineNumbers=\"1\" data-lineWrapping=\"\" data-theme=\"oceanic-next\" data-mode=\"text\/css\">.card p {\n  color: pink;\n}<\/textarea><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-1 fusion_builder_column_inner_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:20px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-div\" style=\"--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;\"><div class=\"fusion-title-heading title-heading-right title-heading-tag fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:16;--minFontSize:16;line-height:var(--awb-typography4-line-height);\">html<\/div><\/div><style type=\"text\/css\" scopped=\"scopped\">.fusion-syntax-highlighter-3 > .CodeMirror, .fusion-syntax-highlighter-3 > .CodeMirror .CodeMirror-gutters {background-color:var(--awb-custom_color_4);}.fusion-syntax-highlighter-3 > .CodeMirror .CodeMirror-gutters { background-color: var(--awb-custom_color_8); }.fusion-syntax-highlighter-3 > .CodeMirror .CodeMirror-linenumber { color: var(--awb-custom_color_4); }<\/style><div class=\"fusion-syntax-highlighter-container fusion-syntax-highlighter-3 fusion-syntax-highlighter-theme-dark syntaxhighlighter\" style=\"opacity:0;margin-top:30px;margin-right:0px;margin-bottom:60px;margin-left:0px;font-size:14px;border-width:0px;border-style:solid;border-color:var(--awb-color8);\"><div class=\"syntax-highlighter-copy-code\"><span class=\"syntax-highlighter-copy-code-title\" data-id=\"fusion_syntax_highlighter_3\" style=\"font-size:14px;\">Copy to Clipboard<\/span><\/div><label for=\"fusion_syntax_highlighter_3\" class=\"screen-reader-text\">Syntax Highlighter<\/label><textarea class=\"fusion-syntax-highlighter-textarea\" id=\"fusion_syntax_highlighter_3\" data-readOnly=\"nocursor\" data-lineNumbers=\"1\" data-lineWrapping=\"\" data-theme=\"oceanic-next\" data-mode=\"text\/html\"><div class=\"card\">\n  <p>Inside the card<\/p>\n<\/div>\n\n<p>Outside the card<\/p><\/textarea><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-2 fusion_builder_column_inner_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:20px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-div\" style=\"--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;\"><div class=\"fusion-title-heading title-heading-right title-heading-tag fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:16;--minFontSize:16;line-height:var(--awb-typography4-line-height);\">Applied result<\/div><\/div><style> .card p {\n  color: pink;\n}<\/style>\n\n<div class=\"card\">\n  <p>Inside the card<\/p>\n<\/div>\n\n<p>Outside the card<\/p>\n<\/div><\/div><\/div><div class=\"fusion-text fusion-text-4 fusion-text-no-margin\" style=\"--awb-margin-bottom:60px;\"><p>This means the pink color is applied only to the &lt;p&gt; elements inside '.card'.<br \/>\nIn other words, the scope is limited to the inside of '.card'.<\/p>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-bottom:60px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:var(--awb-custom_color_4);border-color:var(--awb-custom_color_4);border-top-width:1px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-7 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-custom_color_4);--awb-margin-bottom:60px;--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;--awb-font-size:2em;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;font-size:1em;--fontSize:32;line-height:var(--awb-typography1-line-height);\">How to create scope<\/h2><\/div><div class=\"fusion-title title fusion-title-8 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-custom_color_4);--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;--awb-font-size:1.8em;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;font-size:1em;--fontSize:28.8;line-height:var(--awb-typography1-line-height);\">Example 1. Only a specific area<\/h3><\/div><style type=\"text\/css\" scopped=\"scopped\">.fusion-syntax-highlighter-4 > .CodeMirror, .fusion-syntax-highlighter-4 > .CodeMirror .CodeMirror-gutters {background-color:var(--awb-custom_color_4);}.fusion-syntax-highlighter-4 > .CodeMirror .CodeMirror-gutters { background-color: var(--awb-custom_color_8); }.fusion-syntax-highlighter-4 > .CodeMirror .CodeMirror-linenumber { color: var(--awb-custom_color_4); }<\/style><div class=\"fusion-syntax-highlighter-container fusion-syntax-highlighter-4 fusion-syntax-highlighter-theme-dark syntaxhighlighter\" style=\"opacity:0;margin-top:30px;margin-right:0px;margin-bottom:60px;margin-left:0px;font-size:14px;border-width:0px;border-style:solid;border-color:var(--awb-color8);\"><div class=\"syntax-highlighter-copy-code\"><span class=\"syntax-highlighter-copy-code-title\" data-id=\"fusion_syntax_highlighter_4\" style=\"font-size:14px;\">Copy to Clipboard<\/span><\/div><label for=\"fusion_syntax_highlighter_4\" class=\"screen-reader-text\">Syntax Highlighter<\/label><textarea class=\"fusion-syntax-highlighter-textarea\" id=\"fusion_syntax_highlighter_4\" data-readOnly=\"nocursor\" data-lineNumbers=\"1\" data-lineWrapping=\"\" data-theme=\"oceanic-next\" data-mode=\"text\/css\">.sidebar button {\n  background: pink;\n}<\/textarea><\/div><div class=\"fusion-text fusion-text-5\"><p>All button elements inside the `.sidebar` class get a pink background.<\/p>\n<\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"--awb-flex-grow:0;--awb-flex-grow-medium:0;--awb-flex-grow-small:0;--awb-flex-shrink:0;--awb-flex-shrink-medium:0;--awb-flex-shrink-small:0;width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-3 fusion_builder_column_inner_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:20px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-9 fusion-sep-none fusion-title-text fusion-title-size-div\" style=\"--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;\"><div class=\"fusion-title-heading title-heading-right title-heading-tag fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:16;--minFontSize:16;line-height:var(--awb-typography4-line-height);\">css<\/div><\/div><style type=\"text\/css\" scopped=\"scopped\">.fusion-syntax-highlighter-5 > .CodeMirror, .fusion-syntax-highlighter-5 > .CodeMirror .CodeMirror-gutters {background-color:var(--awb-custom_color_4);}.fusion-syntax-highlighter-5 > .CodeMirror .CodeMirror-gutters { background-color: var(--awb-custom_color_8); }.fusion-syntax-highlighter-5 > .CodeMirror .CodeMirror-linenumber { color: var(--awb-custom_color_4); }<\/style><div class=\"fusion-syntax-highlighter-container fusion-syntax-highlighter-5 fusion-syntax-highlighter-theme-dark syntaxhighlighter\" style=\"opacity:0;margin-top:30px;margin-right:0px;margin-bottom:60px;margin-left:0px;font-size:14px;border-width:0px;border-style:solid;border-color:var(--awb-color8);\"><div class=\"syntax-highlighter-copy-code\"><span class=\"syntax-highlighter-copy-code-title\" data-id=\"fusion_syntax_highlighter_5\" style=\"font-size:14px;\">Copy to Clipboard<\/span><\/div><label for=\"fusion_syntax_highlighter_5\" class=\"screen-reader-text\">Syntax Highlighter<\/label><textarea class=\"fusion-syntax-highlighter-textarea\" id=\"fusion_syntax_highlighter_5\" data-readOnly=\"nocursor\" data-lineNumbers=\"1\" data-lineWrapping=\"\" data-theme=\"oceanic-next\" data-mode=\"text\/css\">.sidebar button {\n  background: pink;\n}<\/textarea><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-4 fusion_builder_column_inner_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:20px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-10 fusion-sep-none fusion-title-text fusion-title-size-div\" style=\"--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;\"><div class=\"fusion-title-heading title-heading-right title-heading-tag fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:16;--minFontSize:16;line-height:var(--awb-typography4-line-height);\">html<\/div><\/div><style type=\"text\/css\" scopped=\"scopped\">.fusion-syntax-highlighter-6 > .CodeMirror, .fusion-syntax-highlighter-6 > .CodeMirror .CodeMirror-gutters {background-color:var(--awb-custom_color_4);}.fusion-syntax-highlighter-6 > .CodeMirror .CodeMirror-gutters { background-color: var(--awb-custom_color_8); }.fusion-syntax-highlighter-6 > .CodeMirror .CodeMirror-linenumber { color: var(--awb-custom_color_4); }<\/style><div class=\"fusion-syntax-highlighter-container fusion-syntax-highlighter-6 fusion-syntax-highlighter-theme-dark syntaxhighlighter\" style=\"opacity:0;margin-top:30px;margin-right:0px;margin-bottom:60px;margin-left:0px;font-size:14px;border-width:0px;border-style:solid;border-color:var(--awb-color8);\"><div class=\"syntax-highlighter-copy-code\"><span class=\"syntax-highlighter-copy-code-title\" data-id=\"fusion_syntax_highlighter_6\" style=\"font-size:14px;\">Copy to Clipboard<\/span><\/div><label for=\"fusion_syntax_highlighter_6\" class=\"screen-reader-text\">Syntax Highlighter<\/label><textarea class=\"fusion-syntax-highlighter-textarea\" id=\"fusion_syntax_highlighter_6\" data-readOnly=\"nocursor\" data-lineNumbers=\"1\" data-lineWrapping=\"\" data-theme=\"oceanic-next\" data-mode=\"text\/html\"><div class=\"sidebar\">\n  <button>Button 1<\/button>\n  <button>Button 2<\/button>\n<\/div>\n\n<button>Outside button<\/button><\/textarea><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-5 fusion_builder_column_inner_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:20px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-11 fusion-sep-none fusion-title-text fusion-title-size-div\" style=\"--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;\"><div class=\"fusion-title-heading title-heading-right title-heading-tag fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:16;--minFontSize:16;line-height:var(--awb-typography4-line-height);\">Applied result<\/div><\/div><style>\n.sidebar button { background: pink;\n}<\/style>\n\n<div class=\"sidebar\">\n  <button>Button 1<\/button>\n  <button>Button 2<\/button>\n<\/div>\n\n<button>Outside button<\/button>\n\n\n<\/div><\/div><\/div><div class=\"fusion-separator\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-bottom:60px;width:100%;max-width:50%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:var(--awb-custom_color_4);border-color:var(--awb-custom_color_4);border-top-width:1px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-12 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-custom_color_4);--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;--awb-font-size:1.8em;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;font-size:1em;--fontSize:28.8;line-height:var(--awb-typography1-line-height);\">Example 2. Only a specific component<\/h3><\/div><style type=\"text\/css\" scopped=\"scopped\">.fusion-syntax-highlighter-7 > .CodeMirror, .fusion-syntax-highlighter-7 > .CodeMirror .CodeMirror-gutters {background-color:var(--awb-custom_color_4);}.fusion-syntax-highlighter-7 > .CodeMirror .CodeMirror-gutters { background-color: var(--awb-custom_color_8); }.fusion-syntax-highlighter-7 > .CodeMirror .CodeMirror-linenumber { color: var(--awb-custom_color_4); }<\/style><div class=\"fusion-syntax-highlighter-container fusion-syntax-highlighter-7 fusion-syntax-highlighter-theme-dark syntaxhighlighter\" style=\"opacity:0;margin-top:30px;margin-right:0px;margin-bottom:60px;margin-left:0px;font-size:14px;border-width:0px;border-style:solid;border-color:var(--awb-color8);\"><div class=\"syntax-highlighter-copy-code\"><span class=\"syntax-highlighter-copy-code-title\" data-id=\"fusion_syntax_highlighter_7\" style=\"font-size:14px;\">Copy to Clipboard<\/span><\/div><label for=\"fusion_syntax_highlighter_7\" class=\"screen-reader-text\">Syntax Highlighter<\/label><textarea class=\"fusion-syntax-highlighter-textarea\" id=\"fusion_syntax_highlighter_7\" data-readOnly=\"nocursor\" data-lineNumbers=\"1\" data-lineWrapping=\"\" data-theme=\"oceanic-next\" data-mode=\"text\/css\">.profile-card {\n  border-radius: 20px;\n}<\/textarea><\/div><div class=\"fusion-text fusion-text-6\"><p>In HTML, only the element with `class=\"profile-card\"` gets rounded corners with a 20px radius.<\/p>\n<\/div><div class=\"fusion-text fusion-text-7 fusion-text-no-margin\" style=\"--awb-text-color:var(--awb-custom_color_4);--awb-margin-bottom:60px;\"><p>In CSS, scope refers to the range where styles are applied, and this range is created through selectors.<\/p>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-bottom:60px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:var(--awb-custom_color_4);border-color:var(--awb-custom_color_4);border-top-width:1px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-13 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-custom_color_4);--awb-margin-bottom:60px;--awb-margin-top-small:20px;--awb-margin-bottom-small:10px;--awb-font-size:2em;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;font-size:1em;--fontSize:32;line-height:var(--awb-typography1-line-height);\">Why CSS scope is important<\/h2><\/div><div class=\"fusion-text fusion-text-8\"><p>Because CSS is applied globally by default, unexpected problems can easily occur if scope isn\u2019t managed properly.<\/p>\n<p>Since selectors operate across the entire document, unintended UI colors or styles may change together, and different styles can conflict with one another.<\/p>\n<p>If this situation repeats, fixing one element can start affecting others, making maintenance very difficult. Therefore, when writing CSS, it\u2019s important to clearly define where styles should apply and develop the habit of managing scope through classes and structure.<\/p>\n<\/div><style type=\"text\/css\" scopped=\"scopped\">.fusion-syntax-highlighter-8 > .CodeMirror, .fusion-syntax-highlighter-8 > .CodeMirror .CodeMirror-gutters {background-color:var(--awb-custom_color_4);}.fusion-syntax-highlighter-8 > .CodeMirror .CodeMirror-gutters { background-color: var(--awb-custom_color_8); }.fusion-syntax-highlighter-8 > .CodeMirror .CodeMirror-linenumber { color: var(--awb-custom_color_4); }<\/style><div class=\"fusion-syntax-highlighter-container fusion-syntax-highlighter-8 fusion-syntax-highlighter-theme-dark syntaxhighlighter\" style=\"opacity:0;margin-top:30px;margin-right:0px;margin-bottom:60px;margin-left:0px;font-size:14px;border-width:0px;border-style:solid;border-color:var(--awb-color8);\"><div class=\"syntax-highlighter-copy-code\"><span class=\"syntax-highlighter-copy-code-title\" data-id=\"fusion_syntax_highlighter_8\" style=\"font-size:14px;\">Copy to Clipboard<\/span><\/div><label for=\"fusion_syntax_highlighter_8\" class=\"screen-reader-text\">Syntax Highlighter<\/label><textarea class=\"fusion-syntax-highlighter-textarea\" id=\"fusion_syntax_highlighter_8\" data-readOnly=\"nocursor\" data-lineNumbers=\"1\" data-lineWrapping=\"\" data-theme=\"oceanic-next\" data-mode=\"text\/css\">button {\n  background:red;\n}<\/textarea><\/div><div class=\"fusion-text fusion-text-9\"><p>If written this way, all the buttons on the entire site will turn red.<\/p>\n<\/div><style type=\"text\/css\" scopped=\"scopped\">.fusion-syntax-highlighter-9 > .CodeMirror, .fusion-syntax-highlighter-9 > .CodeMirror .CodeMirror-gutters {background-color:var(--awb-custom_color_4);}.fusion-syntax-highlighter-9 > .CodeMirror .CodeMirror-gutters { background-color: var(--awb-custom_color_8); }.fusion-syntax-highlighter-9 > .CodeMirror .CodeMirror-linenumber { color: var(--awb-custom_color_4); }<\/style><div class=\"fusion-syntax-highlighter-container fusion-syntax-highlighter-9 fusion-syntax-highlighter-theme-dark syntaxhighlighter\" style=\"opacity:0;margin-top:30px;margin-right:0px;margin-bottom:60px;margin-left:0px;font-size:14px;border-width:0px;border-style:solid;border-color:var(--awb-color8);\"><div class=\"syntax-highlighter-copy-code\"><span class=\"syntax-highlighter-copy-code-title\" data-id=\"fusion_syntax_highlighter_9\" style=\"font-size:14px;\">Copy to Clipboard<\/span><\/div><label for=\"fusion_syntax_highlighter_9\" class=\"screen-reader-text\">Syntax Highlighter<\/label><textarea class=\"fusion-syntax-highlighter-textarea\" id=\"fusion_syntax_highlighter_9\" data-readOnly=\"nocursor\" data-lineNumbers=\"1\" data-lineWrapping=\"\" data-theme=\"oceanic-next\" data-mode=\"text\/css\">.header button {}\n.modal button {}\n.card button {}<\/textarea><\/div><div class=\"fusion-text fusion-text-10\"><p>This way, the scope is defined at the component level.<\/p>\n<p>*Component: an independently separated, reusable piece of UI<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":10025,"template":"","meta":{"_acf_changed":false},"class_list":["post-10026","js","type-js","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CSS Scope: The Range Where Styles Take Effect - Salgudiy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CSS Scope: The Range Where Styles Take Effect - Salgudiy\" \/>\n<meta property=\"og:url\" content=\"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/\" \/>\n<meta property=\"og:site_name\" content=\"Salgudiy\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-14T12:36:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/js\\\/css-scope-the-range-where-styles-take-effect\\\/\",\"url\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/js\\\/css-scope-the-range-where-styles-take-effect\\\/\",\"name\":\"CSS Scope: The Range Where Styles Take Effect - Salgudiy\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/js\\\/css-scope-the-range-where-styles-take-effect\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/js\\\/css-scope-the-range-where-styles-take-effect\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/salgudiy.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/css-scope.webp\",\"datePublished\":\"2026-09-14T11:56:32+00:00\",\"dateModified\":\"2026-09-14T12:36:39+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/js\\\/css-scope-the-range-where-styles-take-effect\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/salgudiy.com\\\/en\\\/js\\\/css-scope-the-range-where-styles-take-effect\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/js\\\/css-scope-the-range-where-styles-take-effect\\\/#primaryimage\",\"url\":\"https:\\\/\\\/salgudiy.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/css-scope.webp\",\"contentUrl\":\"https:\\\/\\\/salgudiy.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/css-scope.webp\",\"width\":1024,\"height\":1024,\"caption\":\"css scope\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/js\\\/css-scope-the-range-where-styles-take-effect\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"CSS Scope: The Range Where Styles Take Effect\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/\",\"name\":\"Salgudiy\",\"description\":\"\uc57c\ud638\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/salgudiy.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"CSS Scope: The Range Where Styles Take Effect - Salgudiy","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/","og_locale":"en_US","og_type":"article","og_title":"CSS Scope: The Range Where Styles Take Effect - Salgudiy","og_url":"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/","og_site_name":"Salgudiy","article_modified_time":"2026-09-14T12:36:39+00:00","og_image":[{"width":1024,"height":1024,"url":"https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/","url":"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/","name":"CSS Scope: The Range Where Styles Take Effect - Salgudiy","isPartOf":{"@id":"https:\/\/salgudiy.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/#primaryimage"},"image":{"@id":"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/#primaryimage"},"thumbnailUrl":"https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope.webp","datePublished":"2026-09-14T11:56:32+00:00","dateModified":"2026-09-14T12:36:39+00:00","breadcrumb":{"@id":"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/#primaryimage","url":"https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope.webp","contentUrl":"https:\/\/salgudiy.com\/wp-content\/uploads\/2026\/09\/css-scope.webp","width":1024,"height":1024,"caption":"css scope"},{"@type":"BreadcrumbList","@id":"https:\/\/salgudiy.com\/en\/js\/css-scope-the-range-where-styles-take-effect\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/salgudiy.com\/en\/"},{"@type":"ListItem","position":2,"name":"CSS Scope: The Range Where Styles Take Effect"}]},{"@type":"WebSite","@id":"https:\/\/salgudiy.com\/en\/#website","url":"https:\/\/salgudiy.com\/en\/","name":"Salgudiy","description":"\uc57c\ud638","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/salgudiy.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/salgudiy.com\/en\/wp-json\/wp\/v2\/js\/10026","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/salgudiy.com\/en\/wp-json\/wp\/v2\/js"}],"about":[{"href":"https:\/\/salgudiy.com\/en\/wp-json\/wp\/v2\/types\/js"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/salgudiy.com\/en\/wp-json\/wp\/v2\/media\/10025"}],"wp:attachment":[{"href":"https:\/\/salgudiy.com\/en\/wp-json\/wp\/v2\/media?parent=10026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}