.left{ width:100px; height:100px; background-color:#eeeeee; border:1px solid green; float:left; } .right{ width:100px; height:100px; background-color:#aaaaaa; border:1px solid red; float:right; } #b{ width:100px; height:100px; background-color:#555555; border:1px solid pink; //float:left; //clear:left; }
<html> <head> <meta charset="utf-8"> <link type="text/css" rel="stylesheet" href="tmp.css"> </head> <body> <div class="left">A</div> <div class="left">B</div> <div class="right">C</div> <div id="b">X</div> </body> </html>
?
还没有懂。记下来以后再解释吧。
