.backend-img{display:block;max-width:100%;max-height:100%}@-webkit-keyframes pulse{0%{opacity:1}50%{opacity:.3}to{opacity:1}}@-moz-keyframes pulse{0%{opacity:1}50%{opacity:.3}to{opacity:1}}@keyframes pulse{0%{opacity:1}50%{opacity:.3}to{opacity:1}}.pulse{-o-object-fit:cover;object-fit:cover;-webkit-animation:pulse 3s infinite;-moz-animation:pulse 3s infinite;animation:pulse 3s infinite;fill:red}.hidden{display:none}