#mainNav {
    background-color: black;
}

#mainNav .navbar-toggler {
    padding: 15px;
    color: white;
    font-size: 14px;
}

#mainNav .navbar-toggler:focus, #mainNav .navbar-toggler:hover {
    color: white;
}

#mainNav {
    padding: 80px 10px;

    background-color: black;
}

#mainNav.navbar-shrink {
    padding: 0 0;
}

#mainNav .navbar-brand {
    position: sticky;
    line-height: 30px;
}

#mainNav .navbar-brand img {
    height: 46px;
}

#mainNav .navbar-nav > .nav-item {
    margin-right: 5px;
    font-weight: bold;
    text-transform: uppercase;
}
#mainNav .navbar-nav > .nav-item:last-child {
    margin-right: 0;
}
#mainNav .navbar-nav > .nav-item > .nav-link {
    padding: 15px;
}
#mainNav .navbar-nav > .nav-item > .nav-link:hover {
    background-color: black;
    border-bottom: 1px solid yellow;
    -webkit-transition: border-bottom 0.1s;
    transition: border-bottom 0.1s;
}

#mainNav .navbar-nav > .nav-item > .nav-link.active,
#mainNav .navbar-nav > .nav-item > .nav-link.active:focus {
    border-bottom: 1px solid yellow;
}

/*
#mainNav .navbar-nav > .nav-item {
  margin-right: 5px;
  font-weight: bold;
  text-transform: uppercase;
}
#mainNav .navbar-nav > .nav-item:last-child {
  margin-right: 0;
}
#mainNav .navbar-nav > .nav-item > .nav-link {
  padding: 15px;
}
#mainNav .navbar-nav > .nav-item > .nav-link:hover {
  background-color: black;
  border-bottom: 1px solid yellow;
}

#mainNav .navbar-nav > .nav-item > .nav-link.active,
#mainNav .navbar-nav > .nav-item > .nav-link.active:focus {
  border-bottom: 1px solid yellow;
}
*/
#mainNav .logo-text {
    vertical-align: middle;
    color: white;
    font-size: 30px;
    text-transform: uppercase;
}