/*基本类*/
body
{
margin:0px;
padding:0px;
font-size:12px;
font-family:Verdana,Arial,宋体;
color:black;
}
form,marquee
{
padding:0;
margin:0;
}
div
{
margin-left:auto;
margin-right:auto;
}
table{
border-collapse:collapse;
border-spacing: 0px; 
}
td{
}
a
{
color:black;
text-decoration:none;
}
a:focus,area{outline:none;}
a:hover
{
color:red;
text-decoration:underline;
}
img,table
{
border:none;
}
/*页面对齐类*/
.site_left
{
margin-left:0px;
}
.site_center
{
margin-left:auto;
margin-right:auto;
}
.site_right
{
float:right
}

/*特殊类*/