body {
  /*background-image: url("images/bground.gif");*/
  background-repeat: repeat-y;
  background-color: white;
  color: black;
}
a:link {color:blue;}
a:visited {color:purple;}
#col-left {
  height: 100vh;
  background-color: rgb(153, 204, 255);
  padding: 0 10px;
  box-shadow: 5px 10px 5px 2px #ccc;
  width: 150px; 
  float: left;
  position: fixed;
}