#main .not-member-btn 
{
background:url("../images/community/btn-not-member.gif") no-repeat scroll left top transparent;
color:transparent;
float:left;
height:30px;
width:235px;
}

#main .not-member-btn:hover
{
	background-position:0 -30px;
}

.floatLeft
{
float:left;
}

.margLeft10
{
margin-left:10px;
}

.margLeft20
{
margin-left:20px;
}

.clearLeft
{
clear:left;
}

.width500
{
width:500px;
}

.width300
{
width:300px;
}

.margTop30
{
margin-top:30px;
}

.margTop20
{
margin-top:20px;
}

.margTop10
{
margin-top:10px;
}