@keyframes stackAnimation{0%,to{opacity:.5;transform:scaleX(1);transform-origin:center}50%{opacity:1;transform:scaleX(.6);transform-origin:center}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.stack-loader{animation:fadeIn .8s;#stack1{animation:stackAnimation 1.2s .8s infinite}#stack1,#stack2{opacity:.5;transform-origin:center}#stack2{animation:stackAnimation 1.2s .6s infinite}#stack3{animation:stackAnimation 1.2s .4s infinite}#stack3,#stack4{opacity:.5;transform-origin:center}#stack4{animation:stackAnimation 1.2s .2s infinite}}