字体和下划线间隔1象素
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<TITLE>NewDocument</TITLE>
<METAname="Generator"CONTENT="EditPlus">
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a{text-decoration:none;color:#322c28;}
a:hover{color:#f56c0a;border-bottom:1pxsolid#f56c0a;display:inline-block;padding-bottom:1px;}
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<body>
<ahref=#>abc早上好</a>
</body>
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