*{
    margin:0;
    padding:0;
}

.section{
    margin:0px;
 
    width:100%;
    float:left;
    text-shadow:1px 1px 2px #f0f0f0;
}
.section h2{
    margin:50px 0px 30px 50px;
}
.section p{
    margin:20px 0px 0px 50px;
    width:600px;
}
.black{
    color:#fff;
    background:#000 url(../images/black_vert.jpg) repeat-x bottom left;
}
.white{
    color:#000;
    background:#fff url(../images/white_vert.jpg) repeat-x bottom left;
}
.section ul{
    list-style:none;
    margin:20px 0px 0px 550px;
}
.black ul li{
    float:left;
    padding:5px;
    margin:5px;
    color:#aaa;
}
.black ul li a{
    display:block;
    color:#f0f0f0;
}
.black ul li a:hover{
    text-decoration:none;
    color:#fff;
}
.white ul li{
    float:left;
    padding:5px;
    margin:5px;
    color:#aaa;
}
.white ul li a{
    display:block;
    color:#222;
}
.white ul li a:hover{
    text-decoration:none;
    color:#000;
}

#tab {
	width:70px;
	height:150px;
	position:fixed;
	left:0px;
	top:360px;
	display:block;
	cursor:pointer;
	background: url(../img/finger.png) 0 0 no-repeat;
}
#panel {
        position:fixed;
	left:0px;
	top:200px;
	height:400px;
	width:0;/*new line*/
}
#panel .content {
	width:200px;
	margin:80px;

} 
div#panel div.content ul.nav li a img { 
width:80px;
}
 div#section1  , div#section2    {
height:4000px;
}