.app-background{background-image:url(https://picsum.photos/1920/1080)}.text-shadow{text-shadow:0 3px 6px rgba(0,0,0,.5)}@keyframes spin360{0%{background-position:0 0;-webkit-mask-position:0 0;mask-position:0 0}to{background-position:-4640px 0;-webkit-mask-position:-4640px 0;mask-position:-4640px 0}}.mug-preview-sprite{background-image:url(https://i.imgur.com/2q2G51g.png);background-size:auto 100%;animation:spin360 4s steps(29) infinite}.mug-preview-design{background-image:var(--mug-design-image);background-size:cover;background-position:center;-webkit-mask-image:url(https://i.imgur.com/2q2G51g.png);mask-image:url(https://i.imgur.com/2q2G51g.png);-webkit-mask-size:auto 100%;mask-size:auto 100%;-webkit-mask-mode:alpha;mask-mode:alpha;animation:spin360 4s steps(29) infinite}