@media only screen  and (min-width: 480px) and (max-width:680px)
{
    .imgTab {
        /*margin-left: 200px;*/
        margin-left: -175px;
    }

    .tab {
        /*margin-left: 260px;*/
        margin-left: 70px;
        width: 260px;
        font-size: 17px;
        padding-top: 6px;
    }
	
	.contact-list {		
		text-align: center;
	}
	
	#copyright {
		text-align: center;
	}
	
	.observaciones {		
		text-align: center;
	}
    #contentMenuSub li{
        text-align: center;
    }
}

@media only screen and (min-width: 681px) and (max-width:767px) {
    .imgTab {
        /*margin-left: 325px;*/
        margin-left: -180px;
    }

    .tab {
        /*margin-left: 375px;*/
        margin-left: 70px;
        width: 272px;
        font-size: 17px;
        padding-top: 6px;
    }

    #contentMenuSub li{
        text-align:center;
    }
}