.navbar
{
    position: sticky;
    top: 0;
    z-index: 20;
    padding-top: 0;
    padding-block-end: 0;
}.navbar-brand
{
    border: 2px solid black;
    color: black;
    padding: 10px;
}
.navbar
{
    background-color: gray;
    border-bottom: black 2px solid;
    border-top: none;
}
a
{
    color: black;
}
a:hover
{
    color: white;
    background-color: black;
}
.active a
{
    background-color: rgb(179, 179, 179);
}
.active a:hover
{
    color: black;
}
.nav-link
{
    padding: 1em;
}