body{background: black;}
.main {
	margin: 25px 0;
	text-align: center;
}

.main img {margin:0 auto;}

.btn {
	height: 100px;
	margin: auto;
	text-align: center;
}

#btn, #prg{
	width: 320px;
	height: 72px;
	margin:20px;
}