.mask{
   position: relative;
   overflow: hidden;
   margin: 0px auto;
   width: 800px;
   height: 100%;
   background-color: #000000
}
.header{
   float: left;
   width: 100%;
   height: 190px;
   background-color: #000000

}
.colleft{
   position: relative;
   width: 100%;
   right: 50%;
   background-color: #e7e7de

}
.col1{
   position: relative;
   overflow: hidden;
   float: left;
   width: 48%;
   left: 101%;
   height: 100%;
   background-color: #000000

}
.col2{
   position: relative;
   overflow: hidden;
   float: left;
   width: 48%;
   left: 3%;
   height: 100%;
   background-color: #000000

}
.col3{
margin-top: 10px;
margin-left: 15%;
margin-right: 15%;
padding: 10px;
background-color: #000000;

}

.footer{
   float: left;
   width: 100%;
   height: 50px;
   background-color: #000000

}
body {
   padding: 0px;
   margin: 0px;
   font-size: 90%;
   background-color: #e7e7de
   color:#ffffff
}