.bst-option.selected{background:#176b3a;color:#fff}.bst-option.correct{background:#d9f7df;border-color:#21a34a;color:#168637}.bst-option.wrong{background:#ffe1e1;border-color:#e53935;color:#d62828}.bst-feedback.correct-text{color:#159447}.bst-feedback.wrong-text{color:#d52d2d}.bst-overlay.show{display:flex;animation:bstFade .25s ease}