.scroll{
  overflow-y:scroll;
  height:80px;
  background-color:lightyellow;
  }
.main{
  background-color:powderblue;
  height:300px;
  } 
.aside{
  background-color:powderblue;
 
  }
.ad{
  height:400px;
  }
  
.padding{
  padding-right:90px;
  padding-left:60px;
  }
h2{
  font-style:italic;
  }

tr{padding:0px;
margin:0px;}
td{padding:0px;
margin:0px;}
div{padding:0px;
margin:0px;}