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.trivia-option-btn.incorrect{background-color:#b71c1c;border-color:#c62828;color:#fff;opacity:1;text-decoration:none}.key-points-section{margin-top:2.5rem;padding-top:2.5rem;border-top:1px dashed var(--border-color)}.key-points-container{animation:fade-in .5s ease}.key-points-container h3{font-family:Merriweather,serif;text-align:center;margin-bottom:1.5rem;color:var(--heading-color)}.key-points-container ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:1rem}.key-points-container li{display:flex;align-items:flex-start;gap:.75rem;font-size:1rem;line-height:1.6}.keypoint-icon{flex-shrink:0;width:20px;height:20px;color:var(--accent-color);margin-top:3px}.in-depth-summary-section{margin-top:2.5rem;padding-top:2.5rem;border-top:1px dashed var(--border-color);text-align:center}.in-depth-summary-section 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