body{font-family: sans-serif;font-size: 1em;font-size: 16px;line-height: 1.75em;font-weight: 400;font-style: normal;color: #333333;background: #fff;margin: 0;accent-color: #3366CC;}
h1{font-family: Rockwell, "Rockwell Nova", Clarendon, Georgia, serif;font-weight: bold;font-size: 2.25em;line-height: 2.4rem;color: #3366CC;text-transform: uppercase;margin: 0;margin-bottom: 1rem;}
.btn{text-decoration: none; color: #fff;font-size: 1.1111em;padding: 0.8888em 1.7777em;background: #3366CC;border-radius: 0;border: none;transition: linear all 0.3s;display: inline-block;}
.btn:hover{background: #213E79;}

.bg-muster{position: relative;background: url("before.png") no-repeat -150px 50px}
main{margin:2em;}
img{max-width: 100%; height: auto;}

@media screen and (min-width: 920px){
	body{font-size: 1em;font-size: 18px;}
	main{max-width: 900px; margin: 4em auto 2em auto;}
	.bg-muster{position: relative;background: url("before.png") no-repeat -150px 50px, url("after.png") no-repeat right 0;}
}