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由于不同浏览器对某些标签的属性初始值【margin,padding,font-size等】不一样，为了避免这种情况，我们需要强制把这些属性的初始值写成一样，防止浏览器不兼容。 body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,p,blockquote,th,td { margin:0; padding:0; } body { background:#fff; color:#555; font-size:14px; font-family: Verdana, Arial, Helvetica, sans-serif; } td,th,caption { font-size:14px; } h1, h2, h3, h4, h5, h6 { font-weight:normal; font-size:100%; } address, caption, cite, code, dfn, em, strong, th, var { font-style:normal; font-weight:normal;} a { color:#555; text-decoration:none; } a:hover { text-decoration:underline; } img { border:none; } ol,ul,li { list-style:none; } input, textarea, select, button { font:14px Verdana,Helvetica,Arial,sans-serif; } table { border-collapse:collapse; } html {overflow-y: scroll;} .clearfix:after {content: "."; display: block; height:0; clear:both; visibility: hidden;} .clearfix { *zoom:1; } |