.mask{
   position: relative;
   overflow: hidden;
   margin: 0px 0 0 0;
   width: 690px;

  }
  .header2{
   float: left;
   width: 100%;
   background-color: #f4f4f4
  }
  .colleft{
   position: relative;
   width: 100%;
   right: 50%;
   background-color: #000000
  }
  .col1{
   position: relative;
   overflow: hidden;
   float: left;
   width: 50%;
   left: 100%;

  }
  .col2{
   position: relative;
   overflow: hidden;
   float: left;
   width: 50%;
   left: 1%;
  }

a:hover, a:active {
color: #c61a1a;
text-decoration: underline;
}