#main-logo {
	max-height: 235px;
	margin-top: 0px;
}

#reg-btn {
    width: 300px;
}

#main-ad {
    max-width: 95%;
}

@media screen and (max-width: 767px) {
	#main-logo {
		max-height: 200px;
	}
}

@media screen and (max-width: 900px) {
	#main-ad {
	    max-height: 400px;
	}
		
}