html{}

body{
	background: #111;
	margin-top: 50px;
}
img{margin-bottom: 30px;}

@media only screen and (max-width: 767px) {
	body{margin-top: 10px;}
	.btn{margin-top: 10px;}
	img{margin-bottom: 10px;}
}





@media only screen and (min-width: 300px) {.desktop{display: none;}}
@media only screen and (min-width: 768px) {.desktop{display: block;}}


@media only screen and (min-width: 300px) {.mobile{display: block;}}
@media only screen and (min-width: 768px) {.mobile{display: none;}}