@property --pen-head{syntax:"<percentage>";inherits:false;initial-value:10%}.pen-traces-run{mix-blend-mode:screen;-webkit-mask-image:linear-gradient(to bottom left, transparent calc(var(--pen-head) - 18%), #000 var(--pen-head), transparent calc(var(--pen-head) + 3%));-webkit-mask-image:linear-gradient(to bottom left, transparent calc(var(--pen-head) - 18%), #000 var(--pen-head), transparent calc(var(--pen-head) + 3%));mask-image:linear-gradient(to bottom left, transparent calc(var(--pen-head) - 18%), #000 var(--pen-head), transparent calc(var(--pen-head) + 3%));animation:6.5s linear infinite pen-traces-run}@keyframes pen-traces-run{0%{--pen-head:12%}82%{--pen-head:96%}to{--pen-head:96%}}@media (prefers-reduced-motion:reduce){.pen-traces-run{display:none}}