body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 20px;
}

header {
    text-align: center;
}

section {
    margin: 20px 0;
}

input {
    padding: 10px;
    margin-right: 10px;
}

button {
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}