.quiz-option.selected{background:rgba(255,255,255,.4);border-color:#fff;font-weight:700}.quiz-result.show{opacity:1}.quiz-result.correct{background:rgba(46,204,113,.3);color:#fff}.quiz-result.incorrect{background:rgba(231,76,60,.3);color:#fff}.result-display.show{opacity:1}.myth-content.show{display:block;animation:fadeIn .3s ease}.hidden{display:none}.fade-in{animation:fadeInUp .6s ease}