DOM javascript学习 一

body{font-family:"Helvetica","Arial",sans-serif;color:#333;background-color:#ccc;margin:1em 10%;}h1{color:#333;background-color:transparent;}a{color:#c60;background-color:transparent;font-weight:bold;text-decoration:none;}ul{padding:0;}li{float:left;padding:1em;list-style:none;}