.foo{}
.google-login-block{

	}
.google-btn{
	display: inline-block;
background-image:url('https://www.co-opclick.com/Plugins/ExternalAuth.Google/Content/images/google-signing.png'); 
background-repeat:no-repeat;
width:185px;
height:36px;
margin:5px;}

.google-btn:hover {
    background-position: 0px 2px;
}