.media-thumbnail-fallback{color:#b5b5b5;background:linear-gradient(135deg,#f0f0f0 0%,#e2e2e2 100%);display:block;position:relative}.media-thumbnail-fallback svg{width:40%;max-width:3rem;height:40%;max-height:3rem;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.media-thumbnail-fallback.is-processing{animation:1.6s ease-in-out infinite media-thumbnail-pulse}@keyframes media-thumbnail-pulse{0%,to{opacity:1}50%{opacity:.6}}