.nav {
    width: 15%;
    height: 100%;
    min-width: 194px;
}

.segment {
    margin-bottom: 1.25rem;
}

.segment > h3 {
    margin-left: -1rem;
    margin-top: 0;
    width: calc(100% + 2rem);
    background-color: rgba(0,0,0, 0.2);
    text-align: center;
}

.segment > div {
    padding: 0 1.25rem 0 1.25rem;
    width: calc(100% - 2.5rem);
    align-items: center;
    margin-bottom: .5rem;
}

.segment > div:hover {
    background-color: rgba(0,0,0,0.2);
}

.segment > div > a > img {
    height: 1em;
    padding-right: 8px;
}

.segment > div > a {

}