clearfix

• 【IE7対応clearfix】さらに続報、コピペでつかえる主要ブラウザをclearす...
• http://bowz.info/2006/10/31/150705

.clearfix {
  zoom: 1;                /* for IE5.5 - IE7 */
  display: inline-table;  /* for IE-mac */
}

/* Hides from IE-mac ＼*/
.clearfix { display: block; }
/* End hide from IE-mac */

.clearfix:after {       /* for modern browser */
  content: ".";
  display: block;
  height: 0px;
  clear: both;
  visibility: hidden;
}