.auroral-background{z-index:-1;position:fixed;left:-50%;top:-50%;width:200%;height:200%;-webkit-animation-name:northern;animation-name:northern;-webkit-animation-duration:5s;animation-duration:5s;-webkit-animation-timing-function:linear;animation-timing-function:linear;-webkit-animation-iteration-count:infinite;animation-iteration-count:infinite;-webkit-animation-direction:alternate;animation-direction:alternate;background:linear-gradient(10deg,#e07443 20%,#ac3669 40%,#000e3c 70%)}@-webkit-keyframes northern{0%{-webkit-transform:translate(5%,-2%);transform:translate(5%,-2%)}25%{-webkit-transform:translate(10%,7%);transform:translate(10%,7%)}40%{-webkit-transform:rotate(-10deg);transform:rotate(-10deg)}60%{-webkit-transform:translate(7%,-2%);transform:translate(7%,-2%)}85%{-webkit-transform:translate(6%,3%) rotate(12deg);transform:translate(6%,3%) rotate(12deg)}100%{-webkit-transform:none;transform:none}}@keyframes northern{0%{-webkit-transform:translate(5%,-2%);transform:translate(5%,-2%)}25%{-webkit-transform:translate(10%,7%);transform:translate(10%,7%)}40%{-webkit-transform:rotate(-10deg);transform:rotate(-10deg)}60%{-webkit-transform:translate(7%,-2%);transform:translate(7%,-2%)}85%{-webkit-transform:translate(6%,3%) rotate(12deg);transform:translate(6%,3%) rotate(12deg)}100%{-webkit-transform:none;transform:none}}