@media only screen  and (min-width: 767px) and (max-width:1023px) 
{
    .tab {
        margin-left: 0px !important;
    }
	
	.lbl1, .lbl2 {		
		width: 90%;		
	}
	
	.imgTimeLine{
		margin-bottom: 20px;
	}
	
	#copyright {
		text-align: center;
	}
	
	.observaciones {		
		text-align: center;
	}

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

@media only screen and (min-width: 680px) and (max-width:766px) {
    #contentMenuSub li {
        text-align: center;
    }
}