*{margin:0;padding:0;}
a{text-decoration: none;}
input,img,button{outline: none;  border: none;}
ul,li{list-style: none;}
html,body{height: 100%;width:100%; margin:0 auto;}
td, input, div, textarea,table,select,span,p,a{font-family:"Helvetica Neue",Helvetica,Arial,"微软雅黑",sans-serif;}
textarea{resize: none;}
input{caret-color:#999;}
::-webkit-input-placeholder{color:#999;}
.clearfloat:after{display:block;clear:both;content:"";visibility:hidden;height:0}