body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
    color: #333;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 1em;
    text-align: center;
}

main {
    padding: 2em;
}

h1, h2 {
    color: #4CAF50;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-top: 1em;
}

input, textarea {
    padding: 0.5em;
    margin-top: 0.5em;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    margin-top: 1em;
    padding: 0.7em;
    border: none;
    border-radius: 4px;
    background-color: #4CAF50;
    color: white;
    font-size: 1em;
    cursor: pointer;
}

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