body {
    font-family: Arial, sans-serif; /* Set the font to the same as the others */
    background-color: black; /* Set background color to black */
    color: white; /* Set text color to white */
    margin: 0; /* Remove default margin */
}

header {
    background-color: purple; /* Set header color to purple */
    color: white;
    padding: 10px 0;
    text-align: center;
    width: 100%; /* Ensure header takes full width */
    box-sizing: border-box; /* Include padding in the width and height */
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

header nav ul li {
    display: inline;
    margin: 0 10px;
}

header nav ul li a {
    font-family: Arial, sans-serif; /* Set the font to the same as the others */
    color: white;
    text-decoration: none;
    padding: 5px 10px; /* Add padding for button-like appearance */
    border: 2px solid transparent; /* Add border for hover effect */
    transition: transform 0.3s, border-color 0.3s; /* Smooth transition for transform and border color */
}

header nav ul li a:hover {
    transform: scale(1.1); /* Increase size on hover */
    border-color: white; /* Change border color on hover */
}

main {
    padding: 20px;
}