.sunray{--duration:4s;--width:100px;--blur:20px;--skew:-20deg;overflow:hidden;position:relative}.sunray:after{animation:sunray var(--duration) linear infinite;background:#fff9;bottom:-50%;content:"";filter:blur(var(--blur));left:-150%;position:absolute;top:-50%;transform:skew(var(--skew));width:var(--width)}@keyframes sunray{0%{left:-150%}to{left:150%}}