body {
            font-family: Arial, sans-serif;
            padding: 20px;
            background-color: #f4f4f4;
            color: #333;
        }
        .container {
            max-width: 600px;
            margin: 0 auto;
            background-color: #fff;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0px 0px 20px black  inset;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
        }
        select {
            width: 100%;
            padding: 10px;
            margin-bottom: 20px;
            border: 1px solid #ddd;
            border-radius: 4px;
            box-sizing: border-box;
            background-color: white;
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            background-image: linear-gradient(45deg, transparent 50%, gray 50%), linear-gradient(135deg, gray 50%, transparent 50%), linear-gradient(to right, #ccc, #ccc);
            background-position: calc(100% - 20px) calc(1em + 2px), calc(100% - 15px) calc(1em + 2px), calc(100% - 2.5em) 0.5em;
            background-size: 5px 5px, 5px 5px, 1px 1.5em;
            background-repeat: no-repeat;
        }
        select:focus {
            outline: none;
            border-color: #007bff;
            box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
        }
        button {
            background-color: #007bff;
            color: white;
            padding: 12px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
        }
        button:hover {
            background-color: #0056b3;
        }