{"id":1136,"date":"2026-01-01T08:58:07","date_gmt":"2026-01-01T00:58:07","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=1136"},"modified":"2026-01-01T08:58:07","modified_gmt":"2026-01-01T00:58:07","slug":"csstext-decoration","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2026\/01\/01\/csstext-decoration\/","title":{"rendered":"CSS~~text-decoration"},"content":{"rendered":"\n<p>\u597d\u7684\uff0c\u6211\u4eec\u6765\u7cfb\u7edf\u68b3\u7406\u4e00\u4e0b <strong>CSS \u7684 <code>text-decoration<\/code> \u5c5e\u6027<\/strong>\uff0c\u5e76\u9644\u5e26\u5b9e\u7528\u793a\u4f8b\u548c\u5c0f\u6280\u5de7\uff0c\u65b9\u4fbf\u4f60\u5728\u7f51\u9875\u8bbe\u8ba1\u4e2d\u76f4\u63a5\u5e94\u7528\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">CSS <code>text-decoration<\/code> \u5c5e\u6027\u8be6\u89e3<\/h1>\n\n\n\n<p><code>text-decoration<\/code> \u7528\u4e8e<strong>\u8bbe\u7f6e\u6587\u672c\u88c5\u9970<\/strong>\uff0c\u4f8b\u5982\uff1a\u4e0b\u5212\u7ebf\u3001\u5220\u9664\u7ebf\u3001\u4e0a\u5212\u7ebf\u7b49\u3002<br>\u5b83\u65e2\u53ef\u4ee5\u5355\u72ec\u8bbe\u7f6e\uff0c\u4e5f\u53ef\u4ee5\u7ec4\u5408\u591a\u4e2a\u6548\u679c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u8bed\u6cd5<\/h2>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n\/* \u7b80\u5355\u7528\u6cd5 *\/\ntext-decoration: none | underline | overline | line-through | blink;\n\n\/* \u590d\u5408\u5199\u6cd5\uff08CSS3\uff09 *\/\ntext-decoration: &amp;lt;line&gt; || &amp;lt;style&gt; || &amp;lt;color&gt;;\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5c5e\u6027\u503c\u89e3\u91ca\uff1a<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u503c<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td><code>none<\/code><\/td><td>\u4e0d\u663e\u793a\u4efb\u4f55\u6587\u672c\u88c5\u9970\uff08\u9ed8\u8ba4\uff09<\/td><\/tr><tr><td><code>underline<\/code><\/td><td>\u4e0b\u5212\u7ebf<\/td><\/tr><tr><td><code>overline<\/code><\/td><td>\u4e0a\u5212\u7ebf<\/td><\/tr><tr><td><code>line-through<\/code><\/td><td>\u5220\u9664\u7ebf<\/td><\/tr><tr><td><code>blink<\/code><\/td><td>\u95ea\u70c1\uff08\u73b0\u4ee3\u6d4f\u89c8\u5668\u57fa\u672c\u4e0d\u652f\u6301\uff09<\/td><\/tr><tr><td><code>initial<\/code><\/td><td>\u9ed8\u8ba4\u503c<\/td><\/tr><tr><td><code>inherit<\/code><\/td><td>\u7ee7\u627f\u7236\u5143\u7d20\u503c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">CSS3 \u65b0\u589e\u590d\u5408\u5199\u6cd5\uff1a<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\ntext-decoration: underline solid red;\n\n<\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>line<\/strong>\uff1aunderline \/ overline \/ line-through \/ none<\/li>\n\n\n\n<li><strong>style<\/strong>\uff1asolid \/ dotted \/ dashed \/ wavy \/ double<\/li>\n\n\n\n<li><strong>color<\/strong>\uff1a\u989c\u8272\u503c\uff0c\u5982 red \/ #ff0000 \/ rgb(255,0,0)<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6ce8\u610f\uff1a\u590d\u5408\u5199\u6cd5\u53ef\u4ee5\u4e00\u6b21\u6027\u8bbe\u7f6e\u7ebf\u578b\u3001\u6837\u5f0f\u548c\u989c\u8272\uff0c\u6bd4\u4ee5\u524d\u7684\u5355\u4e00\u503c\u66f4\u7075\u6d3b\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u5355\u72ec\u5c5e\u6027\uff08CSS3 \u62c6\u5206\uff09<\/h2>\n\n\n\n<p>\u4e3a\u4e86\u66f4\u7075\u6d3b\u63a7\u5236\uff0cCSS3 \u5c06 <code>text-decoration<\/code> \u62c6\u6210\u4e09\u4e2a\u5b50\u5c5e\u6027\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5c5e\u6027<\/th><th>\u4f5c\u7528<\/th><\/tr><\/thead><tbody><tr><td><code>text-decoration-line<\/code><\/td><td>\u8bbe\u7f6e\u7ebf\u6761\u7c7b\u578b\uff1aunderline \/ overline \/ line-through \/ none<\/td><\/tr><tr><td><code>text-decoration-style<\/code><\/td><td>\u8bbe\u7f6e\u7ebf\u6761\u6837\u5f0f\uff1asolid \/ double \/ dotted \/ dashed \/ wavy<\/td><\/tr><tr><td><code>text-decoration-color<\/code><\/td><td>\u8bbe\u7f6e\u7ebf\u6761\u989c\u8272<\/td><\/tr><tr><td><code>text-decoration-thickness<\/code><\/td><td>\u8bbe\u7f6e\u7ebf\u6761\u7c97\u7ec6\uff08px \u6216\u5173\u952e\u5b57 auto \/ from-font\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u5b9e\u7528\u793a\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1\ufe0f\u20e3 \u4e0b\u5212\u7ebf<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\na {\n  text-decoration: underline;\n}\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">2\ufe0f\u20e3 \u5220\u9664\u7ebf<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\ndel {\n  text-decoration: line-through;\n}\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">3\ufe0f\u20e3 \u4e0a\u5212\u7ebf + \u7ea2\u8272 + \u865a\u7ebf<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nh1 {\n  text-decoration-line: overline;\n  text-decoration-style: dashed;\n  text-decoration-color: red;\n}\n\n<\/pre><\/div>\n\n\n<p>\u6216\u8005\u590d\u5408\u5199\u6cd5\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nh1 {\n  text-decoration: overline dashed red;\n}\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">4\ufe0f\u20e3 \u591a\u91cd\u7ebf\u6761<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\np {\n  text-decoration-line: underline overline;\n  text-decoration-style: solid;\n  text-decoration-color: blue;\n}\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">5\ufe0f\u20e3 \u79fb\u9664\u9ed8\u8ba4\u94fe\u63a5\u4e0b\u5212\u7ebf<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\na {\n  text-decoration: none;\n}\n\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u5b9e\u7528\u5c0f\u6280\u5de7<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9f20\u6807\u60ac\u505c\u663e\u793a\u4e0b\u5212\u7ebf<\/strong><\/li>\n<\/ol>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\na {\n  text-decoration: none;\n}\n\na:hover {\n  text-decoration: underline;\n}\n\n<\/pre><\/div>\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u52a8\u753b\u5220\u9664\u7ebf<\/strong><\/li>\n<\/ol>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\ndel {\n  position: relative;\n}\n\ndel::after {\n  content: &quot;&quot;;\n  position: absolute;\n  left: 0;\n  bottom: 50%;\n  width: 0;\n  height: 2px;\n  background: red;\n  transition: width 0.3s;\n}\n\ndel:hover::after {\n  width: 100%;\n}\n\n<\/pre><\/div>\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u7ed3\u5408\u5b57\u4f53\u7c97\u7ec6\u81ea\u9002\u5e94<\/strong><\/li>\n<\/ol>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nh2 {\n  text-decoration-thickness: from-font;\n}\n\n<\/pre><\/div>\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u7ebf\u6761\u539a\u5ea6\u4f1a\u8ddf\u968f\u5b57\u4f53\u5927\u5c0f\u81ea\u52a8\u8c03\u6574\uff0c\u66f4\u7f8e\u89c2\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>text-decoration<\/code> \u662f\u6587\u672c\u88c5\u9970\u7684\u6838\u5fc3\u5c5e\u6027\uff0c\u65e2\u53ef\u7b80\u5355\u8bbe\u7f6e\uff0c\u4e5f\u53ef CSS3 \u9ad8\u7ea7\u590d\u5408\u63a7\u5236\u3002<\/li>\n\n\n\n<li>CSS3 \u62c6\u5206\u5c5e\u6027\u63d0\u4f9b\u66f4\u7cbe\u51c6\u7684\u63a7\u5236\uff1a<strong>\u7ebf\u6761\u7c7b\u578b\u3001\u6837\u5f0f\u3001\u989c\u8272\u3001\u7c97\u7ec6<\/strong>\u3002<\/li>\n\n\n\n<li>\u53ef\u4ee5\u7ed3\u5408 <strong>\u4f2a\u5143\u7d20<\/strong> \u6216 <strong>\u52a8\u753b<\/strong>\uff0c\u5b9e\u73b0\u66f4\u70ab\u9177\u7684\u89c6\u89c9\u6548\u679c\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u597d\u7684\uff0c\u6211\u4eec\u6765\u7cfb\u7edf\u68b3\u7406\u4e00\u4e0b CSS \u7684 text-decoration \u5c5e\u6027\uff0c\u5e76\u9644&#8230; 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