.question{margin-bottom:20px;padding:15px;background:#fff;border-radius:8px;box-shadow:0 2px 5px rgb(0 0 0 / .1)}.feedback{margin-top:5px;font-style:italic}button{padding:10px 20px;background:#16a085;color:#fff;border:none;border-radius:5px;cursor:pointer}button:hover{background:#138d75}#result{margin-top:20px;font-weight:700}.question{margin-bottom:15px}.options label{display:block;margin:5px 0}button{margin-top:15px;padding:10px 20px;background:#3498db;color:#fff;border:none;border-radius:5px;cursor:pointer}button:hover{background:#2980b9}.feedback{margin-top:5px;font-style:italic}.correct{color:green}.incorrect{color:red}#score{margin-top:20px;font-size:18px;font-weight:700}