body,ul,ol,li,p,h1,h2,h3,h4,h5,h6,form,fieldset,table,td,img,div,dl,dt,dd,input
{margin: 0;padding: 0;}
body{font-size: 12px;}
img{border: none;}
li{list-style: none;}
input,select,textarea{outline: none;border: none;background: none;}
textarea{resize: none;}
a{text-decoration: none;}

.clearfix:after{content:"";display: block;clear: both;}
.clearfix:{zoom: 1;}

/*左浮动*/
.fl{float: left;}
/*右浮动*/
.fr{float: right;}