Hızlı yanıt: kod örneği
For consistency remove any borders and use the height for the thickness. Adding a background color will style your with the height and color specified.Inline version:Longer explanation here.
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hr { border: none; height: 1px; /* Set the hr color */ color: #333; /* old IE */ background-color: #333; /* Modern Browsers */}
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<hr style="height:1px;border:none;color:#333;background-color:#333;">