body {
    padding-top: 0;
}

.offcanvas {
    transition:    transform .3s cubic-bezier(0, 0.99, 0.95, 1.02);
}

.navbar-nav > .active > a {
    color: rgb(190, 255, 0);
    background-color: #ff0000;
}
.nav-item > a:hover {
    color: rgb(196, 255, 0);
}
body{margin-top:20px;}
h6.sticky {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
   
    }


#btn-back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
}
.icon {
    position: absolute;
    top: calc(50% - 0.5em);
    left: 5px;
}