#photoLoader > img {position: absolute;top: 0;right: 0;bottom: 0;left: 0;transition: opacity .5s ease-out;-webkit-transition: opacity .5s ease-out;opacity: 0;height: auto;overflow: hidden;display: block;}
#photoLoader > img.active { opacity: 1}
#photoLoader > img:first-child { z-index: 10; }
#photoLoader > img:last-child { z-index: 1; }