body,h1,h2,h3,h4,p,dl,dd,ul,ol,form,input,textarea,th,td,select{margin: 0;padding: 0;font-family: Arial,sans-serif,Microsoft YaHei;}
em{font-style: normal;}
li{list-style: none;}
a{text-decoration: none;}
img{border: none;vertical-align: middle;}
table{border-collapse: collapse;}
input,textarea{outline: none;}
textarea{resize:none;overflow: auto;}

/*公共样式*/
.fl{float: left;}
.fr{float: right;}
.clear:after{
	content: '';
	display: block;
	clear: both;
}