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<h2>inline: a-tags are inline by default. You cannot set a height or a width.</h2>
<p>
<a class="inline">Inline</a>
<a class="inline">Inline</a>
<p>
<h2>Inline-block: Same line, can set height and width.</h2>
<p>
<a class="inline-block"></a>
<a class="inline-block"></a>
<p>
<h2>
Block: Different lines, can set height and width.</h2>
<a class="block"></a>
<a class="block"></a>