.skeleton { display: inline-block; height: 1em; position: relative; overflow: hidden; background-color: var(--note-bg); border-radius: 16px; } html.light .skeleton { background-color: var(--gray-secondary); } .skeleton::after { position: absolute; top: 0; right: 0; bottom: 0; left: 0; transform: translateX(-100%); background-image: linear-gradient( 90deg, rgba(255, 255, 255, 0) 0, rgba(255, 255, 255, 0.02) 20%, rgba(255, 255, 255, 0.05) 60%, rgba(255, 255, 255, 0) ); animation: shimmer 2s infinite; content: ""; } html.light .skeleton::after { background-image: linear-gradient( 90deg, rgba(255, 255, 255, 0) 0, rgba(255, 255, 255, 0.2) 20%, rgba(255, 255, 255, 0.5) 60%, rgba(255, 255, 255, 0) ); } @keyframes shimmer { 100% { transform: translateX(100%); } }