#navi {
    top: 180px;
    position: -webkit-sticky;
    position: sticky;
    margin: 0;
}

#navi ul {
    margin: 0;
    padding: 0;
}

#navi li {
    font-weight: 700;
    list-style: none;
    margin-bottom: 15px;
}

#navi li a {
    color: #263b5e;
    transition: .3s all ease;
}

#navi li a.current {
    /*color: #17b978;*/
    color: #1296db;
    margin-left: 20px;
    position: relative;
}

#navi li a.current:after {
    position: absolute;
    top: 50%;
    left: -24px;
    width: 20px;
    height: 2px;
    content: '';
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    background: #1296db;
}
.page {
    width: 100%;
    margin-bottom: 7em;
    border-radius: 5px;
    padding: 30px;
}
.bg-light {
    background: #f5f4fb !important;
}