.parallaxer{display:block;height:500px;overflow:hidden;position:relative;width:100%}.parallaxer img{display:none}.parallaxer img:first-child{bottom:0;display:block;left:50%;min-height:100%;min-width:100%;opacity:0;position:absolute;-webkit-transition:opacity .25s ease-out;-moz-transition:opacity .25s ease-out;-o-transition:opacity .25s ease-out;transition:opacity .25s ease-out}.parallaxer-not-supported{display:none}