html-css必写

html,body{ font-family:"宋体"，"微软雅黑"; font-size:12px; margin:0; padding:0;}
div,p,ul,li,ol,dl,dt,dd,h1,h2,h3,h4,h5,h6,form{ margin:0; padding:0;}
ol,ul,li{ list-style:none;}
h1,h2,h3,h4,h5,h6{ font-weight:normal;}
a{ text-decoration:none;}