.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
}

input[type="text"],
input[type="number"],
input[type="date"] {
    width: calc(50% - 10px);
    margin-right: 10px;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}