重置浏览器默认样式
*{
font: 12px/1.5 Arial,Helvetica,sans-serif;
}
html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,font,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td{
margin:0;
padding:0;
border:0;
outline:0;
font-size:100%;/*vertical-align:baseline*/;
background:transparent;
}
body{
line-height:1;
}
ol,ul{
list-style:none
}
blockquote,q{
quotes:none
}
blockquote:before,blockquote:after,q:before,q:after{
content:'';
content:none
}
:focus{
outline:0
}
ins{
text-decoration:none;
}
del{
text-decoration:line-through
}
table{
border-collapse:collapse;
border-spacing:0
}
a{
text-decoration:none;
}
.clear{
clear:both;
display:block;
overflow:hidden;
visibility:hidden;
width:0;
height:0;
}