.quiz-container{max-width:700px;margin:auto;padding:20px;font-family:Segoe UI,sans-serif;background:#fefefe;border-radius:10px;box-shadow:0 0 10px #ccc}.quiz-full{width:100%}.footer_quize,.header_quize{text-align:center;padding:10px 0;background:#4caf50;color:white;border-radius:8px;margin-bottom:20px}.setup{text-align:center}.select-group{margin:15px auto;max-width:400px;text-align:left}.select-group select{width:100%;padding:8px;margin-top:5px}.play-again-btn,.start-btn,.submit-btn{padding:10px 20px;margin-top:20px;margin-bottom:20px;background:#2196f3;color:white;border:none;border-radius:6px;cursor:pointer}.play-again-btn:hover,.start-btn:hover,.submit-btn:hover{background:#1e88e5}.quiz{margin-top:20px}.question-block{margin-bottom:20px;padding:15px;background:white;border-radius:6px;border:1px solid #ddd}.result{text-align:center;margin-top:30px;font-size:18px}.timer{text-align:right;font-weight:700;color:#d32f2f;margin-bottom:12px;font-size:20px}.radio-input{width:35px;margin:0}.option{padding:6px 10px;border-radius:5px;transition:.2s;display:flex;flex-direction:row-reverse;justify-content:space-between;align-items:center;margin:20px 0 8px}.option.correct{background-color:#c8e6c9;border-left:5px solid #2e7d32}.option.incorrect{background-color:#ffcdd2;border-left:5px solid #c62828}.correct-answer{color:#2e7d32;font-weight:700;margin-top:35px}.loading-icon{background-color:red;animation:spin 1s linear infinite;font-size:1.2em;vertical-align:middle}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}