.fondointerno{background-size:cover;background-repeat:no-repeat;background-position:center center}.paddingsec{padding:60px 0}.cuadrointerno{background:transparent;padding:50px;position:relative;margin:30px;min-height:100%;z-index:0}.cuadrointerno::before{content:'';display:block;height:100%;left:0;opacity:.8;position:absolute;top:0;width:100%;z-index:-1}.cuadrointerno h4{font-size:30px;font-weight:700;margin-bottom:30px}#casos-ex .mar-resp{margin-bottom:30px}@media(max-width:460px){#casos-ex .box-wrapper{width:100% !important}}