#page_loader{width:2rem;height:2rem;border:0.1rem solid grey;border-bottom-color:transparent;border-radius:50%;-webkit-box-sizing:border-box;box-sizing:border-box;-webkit-animation:rotation 1s linear infinite;animation:rotation 1s linear infinite;position:fixed;top:50vh;left:50vw;-webkit-transform:translate(-1rem, -1rem);transform:translate(-1rem, -1rem);display:none;z-index:9999}#page_loader.show{display:block}@-webkit-keyframes rotation{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}@keyframes rotation{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}