CSS - 当用户更改浏览器大小时如何使并排不换行? http://jsfiddle.net/QWSHw/
<div class="a">
<div class="gridrow">
<div class="griditem">a
</div>
<div class="griditem">b
</div>
</div>
.a{
background: black;
position: absolute;
top:10px;
width:100%;
}
.gridrow{
background: gray;
width:100%;
}
.griditem{
background: blue;
float:left;
width:300px;
height:300px;
}