body,html,h1,h2,h3,h4,h5,h6,p,ul,li{
	margin:0;
	padding:0;
}
h1,h2,h3,h4,h5,h6{
	font-weight: normal;
}
ul{
	list-style: none;
}
body{
	margin:0 auto;
	font-family: arial,"Microsoft YaHei";
	position:relative;
	width:750px;
}
input:focus { 
    outline:none; 
}
a{
	text-decoration: none;
}