@media (max-width:720px){
.a{background-color:pink;}
.a3{position:absolute;top:20px;left:30px;}
.a2{width:300px;height:200px;}
.a4{position:absolute;top:220px;color:blue;font-size:20px;left:20px;}
.a5{position:absolute;top:240px;color:blue;font-size:20px;left:20px;}
.a6{position:absolute;top:290px;background-color:yellow;width:200px;height:25px;border-radius:30px;font-size:20px;}
.a7{position:absolute;top:320px;left:30px;}
.a8{width:300px;height:200px;}
.a9{position:absolute;top:520px;color:blue;font-size:20px;left:20px;}
.a10{position:absolute;top:540px;color:blue;font-size:20px;left:20px;}
.a11{position:absolute;top:590px;background-color:yellow;width:200px;height:25px;border-radius:30px;font-size:20px;}
}