body, html{ background-color:#FD6C8B; }

#moo,#bg_moo{
	position:fixed; top:0px; left:0px; width:100%; height:100%; display:block; z-index:1111; box-sizing:border-box;
}

#moo{
	background:url('moo.png') no-repeat center center; background-size:contain; z-index:9999;
	-webkit-animation: moo_ani 5s infinite;
	animation: moo_ani 5s infinite;
	-moz-animation: moo_ani 5s infinite;
	animation-timing-function: linear;
}

#bg_moo .mm{
	width:100px; height:100px; display:block; position:absolute; top:50%; left:50%; background:url('moo.png') no-repeat center center; background-size:contain; box-sizing:border-box;
	border:0px #FF0000 solid;
}

@keyframes moo_ani {
    0%   { rotate: 0deg; }  50% { rotate: 180deg; }	 100% { rotate: -360deg; }
}