*{box-sizing:border-box;margin:0;padding:0}body{background:#f0f0f0;font-family:system-ui,sans-serif}.quiz-logo-frame{width:6rem;margin:0 auto 10px;display:block}@media (width>=768px){.quiz-logo-frame{width:8rem}}.option-button{color:#fff;text-align:left;cursor:pointer;background:#2e7d32;border:none;border-radius:8px;justify-content:space-between;align-items:center;width:100%;padding:16px 20px;font-size:15px;font-weight:600;transition:background-color .2s;display:flex}.option-button:hover{background:#1b5e20}.option-button__arrow{color:#fff;flex-shrink:0;margin-left:10px}.option-button--light{color:#1b5e20;background:#e7f6ed;border:1px solid #a5d6a7}.option-button--light:hover{background:#c8e6c9}.option-button--light .option-button__arrow{color:#2e7d32}.loading-spinner{border:3px solid #e0e0e0;border-top-color:#2e7d32;border-radius:50%;width:40px;height:40px;margin:0 auto;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}