.quiz-container{width:60%;margin:20px auto;padding:20px;border:1px solid #ddd;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.1);background-color:#f9f9f9}.progress-bar{font-size:1.2rem;font-weight:700;margin-bottom:20px}.options-list{list-style:none;padding:0}.option{padding:10px;margin:5px 0;border:1px solid #ccc;border-radius:5px;cursor:pointer;transition:background-color .3s,border .3s}.option:hover{background-color:#f1f1f1}.selected{background-color:#d1e7dd;border-color:#0f5132}.feedback{margin-top:15px;font-size:1rem;font-style:italic}.next-button{margin-top:15px;padding:10px 20px;background-color:#007bff;color:white;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s}.next-button:hover{background-color:#0056b3}.completion-message{margin-top:15px;color:#28a745;font-weight:700}.score-summary{margin-top:20px;padding:10px;border-top:1px solid #ddd;font-size:1.1rem}.score-summary p{margin:5px 0}.quiz-image{display:block;height:200px;margin:15px 0}.option-image{display:block;width:100px;height:auto;margin:5px;border:1px solid #ccc;border-radius:8px;cursor:pointer;transition:transform .2s,border-color .2s}.option-image:hover{transform:scale(1.05);border-color:#007bff}.option.selected .option-image{border-color:#28a745}