我的打上去没有效果啊
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<p><mark>练习练习练习</mark><del>练习练习练习练习练习</del><ins>练习练习练习</ins>练习练习<u>练习练习</u>练习练习练习<small>练习练习练习</small>练习<strong>练习</strong>练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习</p>
<p>练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习练习</p>
<p class="text-left">mukew</p>
<p class="text-center">mukew</p>
<p class="text-right">mukew</p>
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