.mastered-kanji.svelte-1rx8vce{background:linear-gradient(135deg,#fef3c7,#fde68a,#fef3c7);border-width:3px;box-shadow:0 0 12px #fbbf2480;animation:svelte-1rx8vce-shimmer 2s ease-in-out infinite}@keyframes svelte-1rx8vce-shimmer{0%,to{box-shadow:0 0 12px #fbbf2480}50%{box-shadow:0 0 20px #fbbf24cc,0 0 30px #fbbf2466}}