body {
    display: inline-block;
    font-family: Arial, sans-serif;
    margin: 0;
    width: 100%;
    align-items: center;
    text-align: center;
}

nav {
    display: inline-block;
    background-color: #333;
    color: #fff;
    padding: 10px;
    width: 100%; /* Set the width to 100% */
}

nav ul {
    margin: 0; /* Remove the default margin on ul */
    padding: 0;
}

nav ul li {
    display: inline-block;
    margin-right: 20px;
}

nav a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    display: inline-block;
}

header {
    background-color: #eee;
    padding: 20px;
}

main {
    margin: 20px;
}

div {
    display: inline-block;
}

h1 {
    display: inline-block;
}