.bienvenida{background-image:url(/images/fondo_pricipal.jpg)}.banner_dos,.bienvenida{background-size:cover;background-position:50%;background-repeat:no-repeat}.banner_dos{background-image:url(/images/banner_dos.jpg)}.contacto{background-image:url(/images/contact.png)}.contacto,.sobre_nosotros{background-size:cover;background-position:50%;background-repeat:no-repeat}.sobre_nosotros{background-image:url(/images/sobre_nosotros.png)}.shadow-text{text-shadow:1px 1px 4px #000}.fade-in-slide{opacity:0}@keyframes fadeInSlide{0%{opacity:0;transform:translateX(1%)}to{opacity:1}}@media (min-width:768px){.fade-in-slide{animation:fadeInSlide .4s ease-in-out .4s forwards}}