.btn-fixed-sponsor {
	position:fixed;
	top:400px; 
	width:50px;
	height:50px;
	left:48.7%;
	background-size:100% 100%;
	font-size:0;
	line-height:0;
	z-index:10;     
	display: none;		
}

@media only screen and (max-width:768px)	{
	.btn-fixed-sponsor {
		position:fixed;
		top:400px; 
		width:50px;
		height:50px;
		left:43.5%;
		background-size:100% 100%;
		font-size:0;
		line-height:0;
		z-index:10;
		display: none;     		
	} 
}