body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td { margin:0; padding:0; } 
body, button, input, select, textarea {font: normal 14px/1.2 arial,"Microsoft YaHei","微软雅黑";} 
address, cite, dfn, em, var { font-style:normal; } 
code, kbd, pre, samp { font-family:couriernew, courier, monospace; } 
ul, ol { list-style:none; } 
a { text-decoration:none; } 
sup { vertical-align:text-top; } 
sub{ vertical-align:text-bottom; } 
legend { color:#000; } 
fieldset, img {border:0;vertical-align:  middle;} 
button, input, select, textarea { font-size:100%; } 
table { border-collapse:collapse; border-spacing:0; }
input:-webkit-autofill { -webkit-box-shadow: 0 0 0px 1000px #f2f2f2 inset; } /*利用阴影来填充掉input自动填充色*/