header {
  height: 610px;
		background: rgba(60%, 50%, 50%, 0);

  text-align: center;
}

footer{
		height: 50px;
		background: rgba(50%, 50%, 50%, 0);
  text-align: center;

}

main { 
  top: 620px;
  width: 100%;
		background: rgba(60%, 60%, 60%, 0);

  text-align: center;
}

aside#left, #center, aside#right{
			display: table-cell;
}
aside#left{
			vertical-align: middle;	/* put text middle */
			margin: 0px;
			width: 15%;
			background: rgba(100%, 100%, 100%, 0);
}
aside#right{
			vertical-align: middle;	/* put text middle */
			margin: 0px;
			width: 50%;
			background: rgba(100%, 100%, 100%, 0);
}

body {
  font-family: Sans-Serif;
}

a {
  margin: 10px;
}

#row{
			display: table-row;
}