.sticky-top {
    position: fixed;
    top: 0;
    width: 100%;
    height: 12%;
}

.navbar-custom .nav-item.active .nav-link,
.navbar-custom .nav-item:hover .nav-link {
    color: #ffffff;
}

a.ex {
    color: #ffffff;
    padding: 5px 5px;
    border-radius: 2px;
    text-decoration: none;
}

a.ex1:hover,
a.ex1:active {
    color: #1db954;
    font-size: 120%;
    transition: 0.2s;
}

.active a {
	color: #1db954;
    font-size: 125%;
    padding-left: 15px;
    padding-right: 15px;
    transition: 0.2s;
    border-radius: 2.5rem;
    border-color: #1db954;
    background-color: #ffffff3b;
}