h1, h2, h3, h4, h5, div, body, a, ul, li, form, p, input, table, tr, th, td, span, img, button, label, select, option, input, textarea {
    margin: 0;
    padding: 0;
    outline: none !important;
    font-family: "Microsoft YaHei";
}

a{ text-decoration: none; color:#000; }
ul，ol{ list-style: none; }

.clearfix:after{
    content:"";
    display:block;
    clear: both;
}
.float-left{ float: left; }
.float-right{ float: right; }

.font-black{ color:#000; }
.font-white{ color:#fff; }
.font-size-12{ font-size: 12px; }
.font-size-18{ font-size: 18px; }

input{ border:none;}
input:focus { outline: none; }