css常用重置基础代码

/* reset */
body,h1,h2,h3,h4,h5,h6,p,dl,dd,ul,ol,pre,form,input,textarea,th,td,select{margin:0;padding:0;}
em{font-style:normal}
li{list-style:none}
a{text-decoration:none;}
img{border:none; vertical-align:top;}
table{border-collapse:collapse;}
textarea{ resize:none;overflow:auto;}
/* end reset */