CSS实例：自动换行,强迫不换行

div{ 
word-wrap: break-word; 
word-break: normal; 
}

div{ 
white-space:nowrap; 
}

<div id="pic">
<ul>
 <li><img src="http://www.jb200.com/hibeans/web/images/temporary/car_t1.jpg" /></li>
 <li><img src="http://www.jb200.com/hibeans/web/images/temporary/imgget1.jpg" /></li>
 <li><img src="http://www.jb200.com/hibeans/web/images/temporary/car_t1.jpg" /></li>
 <li><img src="http://www.jb200.com/hibeans/web/images/temporary/car_t1.jpg" /></li>
 <li><img src="http://www.jb200.com/hibeans/web/images/temporary/car_t1.jpg" /></li>
 <li><img src="http://www.jb200.com/hibeans/web/images/temporary/car_t1.jpg" /></li>
 <li><img src="http://www.jb200.com/hibeans/web/images/temporary/car_t1.jpg" /></li>
 <li><img src="http://www.jb200.com/hibeans/web/images/temporary/car_t1.jpg" /></li>
 <li><img src="http://www.jb200.com/hibeans/web/images/temporary/car_t1.jpg" /></li>
 <li><img src="http://www.jb200.com/hibeans/web/images/temporary/car_t1.jpg" /></li>
</ul>
</div>

#pic {float:left; width:920px; margin:0 10px;}
#pic ul {margin:15px 0; white-space:nowrap; width:920px; overflow:hidden;}
#pic li {*float:left; width:90px; margin:0 5px; *clear:right; border:1px solid #B7DEEF; text-align:center; display:inline-block}
#pic li img {max-width:90px; max-height:90px; vertical-align:middle;}