.float{
	position:fixed;
	width:60px;
	height:60px;
	bottom:240px;
	right:15px;			  	
    z-index:100;
}
.my-float{
	margin-top:16px;
}
.float_mail{
	position:fixed;
	width:60px;
	height:60px;
	bottom:320px;
	right:15px;		
    z-index:100;
}
.my-float_mail{
	margin-top:16px;
}

@media(max-width: 720px) {
    .float{
        width:30px;
	    height:30px;
        bottom:360px;
        right:3px;	
    }
    .float img {
        width:30px;
	    height:30px;     
    }
    .float_mail{
        width:30px;
	    height:30px; 
        bottom:400px;
        right:3px;
    }
    .float_mail img{
        width:30px;
	    height:30px;    
    }
}