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---
title: border-bottom-style
slug: Web/CSS/border-bottom-style
translation_of: Web/CSS/border-bottom-style
---
<div>{{CSSRef}}</div>

<p>The <strong><code>border-bottom-style</code></strong> <a href="/en/CSS" title="CSS">CSS</a> property sets the line style of an element's bottom {{cssxref("border")}}.</p>

<pre class="brush:css no-line-numbers">/* Keyword values */
border-bottom-style: none;
border-bottom-style: hidden;
border-bottom-style: dotted;
border-bottom-style: dashed;
border-bottom-style: solid;
border-bottom-style: double;
border-bottom-style: groove;
border-bottom-style: ridge;
border-bottom-style: inset;
border-bottom-style: outset;

/* Global values */
border-bottom-style: inherit;
border-bottom-style: initial;
border-bottom-style: unset;
</pre>

<div class="note"><strong>Note:</strong> The specification doesn't define how borders of different styles connect in the corners.</div>

<p>{{cssinfo}}</p>

<h2 id="Syntax" name="Syntax">Syntax</h2>

<p>The <code>border-bottom-style</code> property is specified as a single keyword chosen from those available for the {{cssxref("border-style")}} property.</p>

<h3 id="Formal_syntax">Formal syntax</h3>

{{csssyntax}}

<h2 id="Examples" name="Examples">Examples</h2>

<p>这是一种可显示border-bottom-style所有属性的标签。</p>

<h4 id="HTML">HTML</h4>

<pre class="brush: html">&lt;table&gt;
  &lt;tr&gt;
    &lt;td class="b1"&gt;none&lt;/td&gt;
    &lt;td class="b2"&gt;hidden&lt;/td&gt;
    &lt;td class="b3"&gt;dotted&lt;/td&gt;
    &lt;td class="b4"&gt;dashed&lt;/td&gt;
  &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td class="b5"&gt;solid&lt;/td&gt;
    &lt;td class="b6"&gt;double&lt;/td&gt;
    &lt;td class="b7"&gt;groove&lt;/td&gt;
    &lt;td class="b8"&gt;ridge&lt;/td&gt;
  &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td class="b9"&gt;inset&lt;/td&gt;
    &lt;td class="b10"&gt;outset&lt;/td&gt;
  &lt;/tr&gt;
&lt;/table&gt;</pre>

<h4 id="CSS">CSS</h4>

<pre class="brush: css">/* Define look of the table */
table {
  border-width: 3px;
  background-color: #52E385;
}
tr, td {
  padding: 3px;
}

/* border-bottom-style example classes */
.b1 {border-bottom-style: none;}
.b2 {border-bottom-style: hidden;}
.b3 {border-bottom-style: dotted;}
.b4 {border-bottom-style: dashed;}
.b5 {border-bottom-style: solid;}
.b6 {border-bottom-style: double;}
.b7 {border-bottom-style: groove;}
.b8 {border-bottom-style: ridge;}
.b9 {border-bottom-style: inset;}
.b10 {border-bottom-style: outset;}</pre>

<h4 id="Result">Result</h4>

<p>{{ EmbedLiveSample('Examples', 300, 200) }}</p>

<h2 id="Specifications" name="Specifications">Specifications</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{ SpecName('CSS3 Backgrounds', '#border-bottom-style', 'border-bottom-style') }}</td>
   <td>{{ Spec2('CSS3 Backgrounds') }}</td>
   <td>No significant change.</td>
  </tr>
  <tr>
   <td>{{ SpecName('CSS2.1', 'box.html#border-style-properties', 'border-bottom-style') }}</td>
   <td>{{ Spec2('CSS2.1') }}</td>
   <td>Initial definition.</td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_Compatibility" name="Browser_Compatibility">Browser compatibility</h2>

{{Compat("css.properties.border-bottom-style")}}

<h2 id="See_Also" name="See_Also">See also</h2>

<ul>
 <li>The other style-related border properties: {{ Cssxref("border-left-style") }}, {{ Cssxref("border-right-style") }}, {{ Cssxref("border-top-style") }}, and {{ Cssxref("border-style") }}.</li>
 <li>The other bottom-border-related properties: {{ Cssxref("border-bottom") }}, {{ Cssxref("border-bottom-color") }}, and {{ Cssxref("border-bottom-width") }}.</li>
</ul>