.base{animation:opacityBorder 3.5s linear infinite}@keyframes opacityBorder{0%{opacity:1}45%{opacity:1}80%{opacity:0}to{opacity:0}}.first-layer{animation:load 3.5s linear infinite}@keyframes load{0%{height:0;opacity:.1}25%{height:100%;opacity:.8}45%{height:100%;opacity:.8}60%{height:100%}90%{height:100%}to{height:100%;opacity:0}}.second-layer{animation:opacity 3.5s infinite}@keyframes opacity{0%{opacity:0}55%{opacity:0}to{opacity:1}}