cx-live-documentary/theme/chooser.css

.chooser {
    border-radius: 0px 10px 10px 0px;
    border: var(--primary-color) 3px solid;
    border-left: none;
    margin-top: 50vh;
    transform: translateY(-50%);
    padding : 0px;
}

.chooser .single-element {
    cursor: pointer;
    transition: background-color 0.5s;
    border-bottom: var(--primary-color) 3px solid;
}

.chooser .single-element:last-child {
    border-bottom: none;
}

.chooser .single-element:hover {
    background-color: var(--primary-color);
}