body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td{margin:0;padding:0}

table{border-collapse;border-spacing:0;}

img {border:0;vertical-align:top;}

b,i{font-style:normal;font-weight:normal;text-decoration:none}

ol,ul,li{list-style:none;}

input{border:none;outline-style:none;}

h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:normal;}

.clearfix:after{ display: block; content: ''; clear: both;}

.clearfix{zoom:1;}

a,u{text-decoration:none;}

a:hover{text-decoration:none;}/*要不要保留下滑杠*/

.fl{float:left;}

.fr{float:right;}