#col1 {
  background: #070707;
  position: absolute;
  left: 0px;
  width: 140px;
  height: 360px;
}
#col2 {
  background: #070707;
  position: absolute;
  left: 150px;
  width: 450px;
  height: 380px;
  border-left-width:1px;
  border-left-color:#454545;
  border-left-style:solid;
}
#col3 {
  background: #070707;
  position: absolute;
  left: 600px;
  width: 150px;
  height: 380px;
  border-left-width:1px;
  border-left-color:#070707;
  border-left-style:solid;
}