div{
    width: 90%;
    height: 350px;
    border: 2px solid #333;
    margin: 10px auto;
}

#ex1{
    background: linear-gradient(
	yellow, red 10%, purple 20%, yellow 30%);
}
#ex2{
    background:	
	repeating-linear-gradient(
	yellow, red 10%, purple 20%, yellow 30%);
}