#backdrop{height:100%;opacity:25%}#backdrop.fade-out{-webkit-animation:fade-out .5s ease 0s forwarDS;animation:fade-out .5s ease 0s forwarDS}@-webkit-keyframes fade-out{0%{height:100%;opacity:25%}99%{height:100%;opacity:0}to{height:0;opacity:0}}@keyframes fade-out{0%{height:100%;opacity:25%}99%{height:100%;opacity:0}to{height:0;opacity:0}}