.qw3-feedback.success{background:#e8e8e8;color:#1a1a1a;border-left:5px solid #000;display:block}.qw3-feedback.error{background:#f5f5f5;color:#333;border-left:5px solid #666;display:block}.qw3-feedback.success::before{content:"✓ ";font-weight:700;font-size:1.2rem}.qw3-feedback.error::before{content:"✗ ";font-weight:700;font-size:1.2rem}.qw3-solution.show{display:block;animation:qw3FadeIn .5s ease}.qw3-input-wrapper input.correct{border-color:#000;background:#e8e8e8}.qw3-input-wrapper input.incorrect{border-color:#666;background:#f5f5f5}.qw3-completion.show{display:block}