.btn{
	margin-top: 5px;
}
.s1{cursor:pointer;font-size: 1em; margin-right: 10px;}
.s2{cursor:pointer;font-size: 2em; margin-right: 10px;}
.s3{cursor:pointer;font-size: 3em; margin-right: 10px;}
.s4{cursor:pointer;font-size: 4em; margin-right: 10px;}
.s5{cursor:pointer;font-size: 5em; margin-right: 10px;}