#spinner{opacity:0;visibility:hidden;transition:opacity .5s ease-out,visibility 0s linear .5s;z-index:99999}#spinner.show{transition:opacity .5s ease-out,visibility 0s linear 0s;visibility:visible;opacity:1}.spinner-border{animation:spinner-border 1s linear infinite}@keyframes spinner-border{to{transform:rotate(1turn)}}