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<!DOCTYPE html> <html> <head> <style> div.a { -webkit-text-decoration-line: overline; /* Safari */ text-decoration-line: overline; } div.b { -webkit-text-decoration-line: underline; /* Safari */ text-decoration-line: underline; } div.c { -webkit-text-decoration-line: line-through; /* Safari */ text-decoration-line: line-through; } div.d { -webkit-text-decoration-line: overline underline; /* Safari */ text-decoration-line: overline underline; } </style> </head> <body> <h1>text-decoration-line 属性</h1> <div class="a">This is some text with a line on top.</div> <br> <div class="b">This is some text with an underline.</div> <br> <div class="c">This is some text with a line-through.</div> <br> <div class="d">This is some text with an overline and an underline.</div> <p><b>注释：</b>版本 79 之前的 Edge 不支持 text-decoration-line 属性，Safari 只支持 -webkit- 前缀。</p> </body> </html>