@charset "utf-8"; /* CSS Document */ 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; } body{ font-family: "Helvetica Neue", Helvetica, Arial, "Hiragino Sans GB", "Hiragino Sans GB W3", "WenQuanYi Micro Hei", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif; } table { border-collapse:collapse; /*让表格边框细线*/ border-spacing:0; /*清除边框间距*/ } fieldset,img { border:0 none; /*有些浏览器默认这些标签有边框,所以要清除默认边框*/ display:block; } address,caption,cite,code,dfn,em,i,u,b,strong,th,var { font-style:normal; font-weight:normal; /*清除标签默认文本样式和加粗*/ } input,textarea{ outline:0 none;/*去掉文本框的默认轮廓线*/ } ol,ul { list-style:none; /*清除列表默认样式*/ } caption,th { text-align:left; /*清除标签默认文本居中对齐*/ } h1,h2,h3,h4,h5,h6 { font-size:100%; font-weight:normal; /*清除标题标签的默认样式*/ } a{ text-decoration:none;/*大部分页面中的链接没有下划线*/ } .clearfix:after{ height:0; content:" "; display:block; overflow:hidden; clear:both; } .clearfix{ zoom:1;/*IE低版本浏览器不支持after伪类所以要加这一句*/ }