#snackbar{visibility:hidden;width:300px;margin-left:-150px;background-color:#333;color:#fff;text-align:center;border-radius:2px;padding:16px;position:fixed;z-index:1;left:50%;bottom:30px}#snackbar.show{visibility:visible;animation:fadein .5s,fadeout .5s 2.6s}@keyframes fadein{0%{bottom:0;opacity:0}to{bottom:30px;opacity:1}}@keyframes fadeout{0%{bottom:30px;opacity:1}to{bottom:0;opacity:0}}