<style>
 
.ellipsis {/*溢出省略*/
    display: block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    width: 100%;overflow-y: auto;
}
 .ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-height: 20px;
    max-height: 60px;
}
.opacity {
    -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
    filter:alpha(opacity=50);
    opacity: 0.50;
}/*不透明度*/
.linear {
    background-image: -moz-linear-gradient(top, #B3DCFF, #008AFF); /* Firefox */
    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #B3DCFF), color-stop(1, #008AFF)); /* Saf4+, Chrome */
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#B3DCFF', endColorstr='#008AFF', GradientType='0'); /* IE*/
}
.middleImg {display:inline-block;*display:inline;*zoom:1;height:100%;width:1px;margin-left:-1px;vertical-align:middle;}/*图片垂直居中*/
.webkitTransformSize {-webkit-transform-origin-x:0; -webkit-transform: scale(0.8333333333333334);font-size: 10px;}  /*兼容Google chrome 12像素以下的大小, scale的值是size/12*/
 
.sizing {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
 
 
/*
box 样式
*/
.box {border: 1px solid #D7E7F8;}
.box .title {background:#D8EBFF; height: 30px; line-height: 30px; display: block; color: #1375B7; padding-left:20px;}
.box .content {padding: 7px;}
 
/*
table 表格 样式 
<td colspan="3"> 合并行
border-collapse:collapse;单元格间距
 */
.table{border: 1px solid #D7E7F8;width: 100%;  border-bottom: 0; background:#F3F8FF;border-collapse:collapse;}
.table th,.table td{border-bottom: 1px solid #D7E7F8;padding:5px 10px; text-align:center;}
.thead{background:#D8EBFF; height: 30px;}
.table tr.thead:hover {background:#D8EBFF;}
.table tr:hover{background: #E8F2FD;}
 
/*
form 表单 样式
<select size="10">行数
<select  multiple="multiple">多选
<input disabled="disabled">禁用
<input readonly="readonly">只读
<input style="ime-mode:disabled">禁止中文输入法
*/
 .form{border: 1px solid #D7E7F8;width: 100%;  border-bottom: 0; background:#F3F8FF;}
 .row {border-bottom: 1px solid #D7E7F8;padding:7px 0;}
 .label{display:inline-block;width:12%;text-align:right;line-height: 12px;padding-right:10px; height: 12px;vertical-align:middle;}
 .col{display: inline-block;_zoom:1;*display:inline;vertical-align:middle; }
.input{ border: 1px solid #A6C9EB; height: 24px;line-height: 24px; width: 220px; vertical-align: middle;}
.shortInput{ border: 1px solid #A6C9EB; height: 24px;line-height: 24px; width: 120px; vertical-align: middle;}
.longInput{ border: 1px solid #A6C9EB; height: 24px;line-height: 24px; width: 420px; vertical-align: middle;}
.selectList{ border: 1px solid #A6C9EB;  width: 220px;  height: 230px;vertical-align: middle;}
.textarea{ border: 1px solid #A6C9EB; height: 72px;line-height: 24px; width: 320px; vertical-align: middle;}
.submitBtn{height: 30px; width:90px;border:1px solid #87C0F9;background:#ADD5FC; cursor:pointer;vertical-align: middle;}
.cancelBtn{height: 28px; width:90px;border:1px solid #BABFCD;background:#C8C9CD; cursor:pointer;vertical-align: middle;display: inline-block;line-height: 30px;text-align: center;}
.inputBtn{height: 24px; width:70px;border:1px solid #87C0F9;background:#ADD5FC; cursor:pointer; vertical-align: middle; display: inline-block;text-align: center;line-height: 24px;}
.inputSub{height: 26px; width:70px;border:1px solid #87C0F9;background:#ADD5FC; cursor:pointer; vertical-align: middle; display: inline-block;text-align: center;line-height: 26px;}
 
 .prompt{color: #999; margin-left: 10px;}
 
 
.mt0 {
    margin-top: 170px;
}
.mt1 {
    margin-top: 130px;
}
.mt2 {
    margin-top: 80px;
}
.mt3 {
    margin-top: 50px;
}
.mt4 {
    margin-top: 30px;
}
.mt5 {
    margin-top: 20px;
}
.mt6 {
    margin-top: 15px;
}
.mt7 {
    margin-top: 10px;
}
.mt8 {
    margin-top: 7px;
}
.mt9 {
    margin-top: 5px;
}
.mlrAuto {
    margin-left: auto;
    margin-right: auto;
}
</style>

http://docs.emmet.io/cheat-sheet/
http://ecd.tencent.com/css3/tools.html