css初始化值

body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,form,textarea,input,p,th,td,tr,table,tbody,thead,tfoot,em,strong,span {padding:0;margin:0;} 
table {border-collapse:collapse;border-spacing:0;width: 100%;} 
img {border:0 none;vertical-align: middle;}
input{vertical-align: middle;} 
em {font-weight:normal;font-style:normal;} 
ol,ul {list-style:none;} 
h1,h2,h3,h4,h5,h6 {font-weight:normal;font-size:100%;} 
a { color: #09b8ed; text-decoration:none;}
a:hover {color: #5ac8d5;text-decoration:none;}