main{
            display: flex;
            align-items: center;
            justify-content: center;
        }
        form {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            width: 100%;
            max-width: 400px;
        }
        h1 {
            text-align: center;
            color: #0d6efd;
            margin-bottom: 1rem;
        }
        label {
            font-weight: bold;
            margin-top: 1rem;
        }
        input[type="text"], input[type="date"], select {
            width: 100%;
            padding: 10px;
            margin-top: 5px;
            margin-bottom: 1rem;
            display: inline-block;
            border: 1px solid #ccc;
            border-radius: 5px;
            box-sizing: border-box;
        }
        select[multiple] {
            height: auto;
            min-height: 100px;
        }
        button {
            width: 100%;
            background-color: #0d6efd;
            color: white;
            padding: 10px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            transition: background-color 0.3s;
        }
        button:hover {
            background-color: #0b5ed7;
        }