#template{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:90%}#rect-loading{animation:height-increase 4s ease infinite}#rect-loading-line{animation:y-increase 4s ease infinite}#rect-loading-vertical{animation:width-increase 4s ease infinite}#rect-loading-line-vertical{animation:x-increase 4s ease infinite}@keyframes height-increase{0%{height:0}50%{height:100%}to{height:0}}@keyframes y-increase{0%{transform:translateY(0)}50%{transform:translateY(99.5%)}to{transform:translateY(0)}}@keyframes width-increase{0%{width:0}50%{width:100%}to{width:0}}@keyframes x-increase{0%{transform:translateX(0)}50%{transform:translateX(99.5%)}to{transform:translateX(0)}}