html, body, ul, li, ol, dl, dd, dt, p, h1, h2, h3, h4, h5, h6, form, fieldset, legend, img,input{ margin:0; padding:0; }
fieldset, img,input,button { border:0 none; padding:0;margin:0;outline-style:none; }   /*去掉input等聚焦时的蓝色边框*/
ul,li,ol{ list-style:none; }
select, input { vertical-align:middle;}
/*select, input, textarea { font-size:12px; margin:0; }*/
textarea { resize:none; } /*防止拖动*/
img {border:0; vertical-align:middle; }
/*  去掉图片低测默认的3像素空白缝隙，或者用display：block也可以*/
table { border-collapse:collapse; }
a {text-decoration:none; }