.container {
background:darkcyan;
width: 135px;
height: 84px;
display: table;
}
.container p {
display: table-cell;
vertical-align: middle;
word-break: break-all;
text-align: center;
}
<div class="container">
<p>ally and horifffffffffffffffffffffffffffally.</p>
</div>
效果如下
ally and horifffffffffffffffffffffffffffally.
div文本垂直居中(div text vertical aligan)
原文：http://www.cnblogs.com/Zoes/p/5689834.html