.navbar-brand img{width:100px}#bienvenida{text-align:center}#bienvenida p{font-size:28px}
#contenido{margin-top:2%;padding:10px;text-align:center}.custon-imagen{width:800px;padding:5px;padding-top:40px;-webkit-box-shadow:5px 5px 1px 0 rgba(0,0,0,0.75);-moz-box-shadow:5px 5px 1px 0 rgba(0,0,0,0.75);box-shadow:5px 5px 1px 0 rgba(0,0,0,0.75)}