.solar-calculator{border:1px solid #ddd;border-radius:10px;font-family:Arial,sans-serif;max-width:400px;padding:20px}.solar-calculator h3{margin-bottom:15px}.solar-calculator label{display:block;font-weight:700;margin-bottom:5px;margin-top:10px}.solar-calculator input,.solar-calculator select{border:1px solid #ccc;border-radius:5px;margin-bottom:5px;padding:8px;width:100%}.solar-calculator button{background-color:#ffb900;border:none;border-radius:5px;color:#000;cursor:pointer;font-weight:700;margin-top:15px;padding:10px 15px}.solar-calculator button:hover{background-color:#fa0}.solar-result{font-size:18px;font-weight:700;margin-top:15px}