#logo_drevocalframe {margin-left: auto;
margin-right: auto;
width: 500px;
max-width: 100%;
}
#logo_drevocalobr {
        background: transparent url(../images/logo_drevocal.png) bottom center no-repeat;
        background-size: contain;
        padding: 50% 0px 0px 0px;
        height: 1px;
		}