a {
    color: #202f4b;
}
a:hover {
    color: #3b82f6;
}
nav ul {
    display: inline-flex;
}
nav li {
    margin: 5px
}

/* Ensure footer stays at bottom */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
    padding-bottom: 5rem; /* Adequate padding for footer */
}