body{background-color:#f4f4f4;font-family:Arial,sans-serif;margin:0;padding:0}.container{background:#fff;border-radius:8px;box-shadow:0 0 10px #0000001a;margin:0 auto;max-width:800px;padding:20px}h1{font-size:2rem}h1,h2{margin-top:0}h2{font-size:1.5rem}button,input,select{font-size:1rem;padding:12px;width:100%}.form-group{margin-bottom:20px;position:relative}label{color:#333;display:block;font-weight:600;margin-bottom:8px}.required{color:#d9534f}input,select{border:1px solid #ddd;border-radius:4px;box-sizing:border-box;position:relative}input:focus,select:focus{border-color:#007bff;outline:0}button{background-color:#007bff;border:none;border-radius:4px;color:#fff;cursor:pointer;transition:background-color .3s}button:hover{background-color:#0056b3}.hidden{display:none}.error-message{color:#d9534f;display:block;font-size:.875rem;margin-top:5px;position:absolute;right:0;z-index:10}@media (max-width:768px){.container{padding:20px;width:90%}h1{font-size:1.5rem}h2{font-size:1.25rem}}