body{
  background-image:url("whitebinarybg.gif");
  display:flex;
  justify-content:center;
}

.container{
  width:800px;
  height:400px;
  background-color:white;
  border:solid thick black;
  margin:0 auto;
  margin-top:150px;
  overflow-y:scroll;
  display:flex;
}
.text{
  padding:20px;
}
.typology{
  border-right:thin dotted black;
  background-color:white;
  position:sticky left;
  width:400px;
  text-align:center;
  padding:10px;
}