#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center}.image-container{width:100%;margin-bottom:-1px}.image-container img{width:100%;height:100%;display:block;opacity:0;transition:opacity .5s ease-in-out}.image-container img.fade-in{opacity:1}