.artifact-sprite{animation:artifact-cycle 16s steps(1) infinite}@keyframes artifact-cycle{0%{background-position:0% 0%}12.5%{background-position:33.33% 0%}25%{background-position:66.66% 0%}37.5%{background-position:100% 0%}50%{background-position:0% 100%}62.5%{background-position:33.33% 100%}75%{background-position:66.66% 100%}87.5%{background-position:100% 100%}}