a {
    text-decoration: none;
    color: purple;
}

    a:hover {
        text-decoration: underline;
    }

/* No underline for Bootstrap buttons and navbar links */
a.btn:hover,
.nav-link:hover,
.dropdown-item:hover,
.navbar-brand:hover {
    text-decoration: none;
}

/* Hide focus outline for non-keyboard users */
h1:focus {
    outline: none;
}

h1 {
    margin-bottom: 1.5rem;
}