标签：code ado col font put ext style center info
<input class="i" type="text" value="Sin(x)" readonly="readonly"/>
.i { font-size: 24px; font-weight: bold; border: 0px; outline: none; width:400px; height:50px; text-align:center; }
效果：
标签：code ado col font put ext style center info
原文地址：https://www.cnblogs.com/linck/p/10698808.html
