文章发布标题如何改成多行文本？ [复制链接]

/*公用表单样式*/
.tb{border:1px solid #cccccc;border-color000000 #cccccc #cccccc #000000;}
.tb_1{height:18px;width:140px;BORDER-RIGHT999999 1px solid; BORDER-TOP999999 1px solid; BORDER-LEFT999999 1px solid; BORDER-BOTTOM999999 1px solid}
.tb_2{height:18px;border:1px solid #cccccc;border-color000000 #cccccc #cccccc #000000;margin:0 0 0 0;padding:0 0 0 0}

.bt{width:55px;font-size:9pt;height:19px;cursor:pointer;background-image:url(/images/public/button.gif);background-position: center center;border-top: 0px outset #eeeeee;border-right: 0px outset #888888;border-bottom: 0px outset #888888;border-left: 0px outset #eeeeee;padding-top: 2px;background-repeat: repeat-x;}
.bt1{height:25px;font-size:9pt;;border:0 solid #666666;border-width:0 1px 1px 0;background-colordddddd;padding-top:2px;cursor:pointer;}

v
2.0的  height限制在哪？