Chatterbox-IRC/Chatterbox

.user-list {
    flex: 0 0;
    flex-basis: 0;
    display: flex;
    flex-direction: column;
    transition: flex-basis 0.25s, border-left-width 0s 0.25s;
    overflow-y: hidden;
    overflow-x: hidden;
}

.user-list.visible {
    flex-basis: 250px;
    transition: flex-basis 0.25s;
}

.user-list .toolbar {
    flex: 0 0 48px;
    background-color: #303f9f;
    display: flex;
}

.user-list .users {
    flex: 1 1 auto;
    height: auto;
    overflow-y: auto;
    overflow-x: hidden;
    background-color: #e8eaf6;
}

.user-list .users ul {
    margin: 0;
    padding: 5px 0;
    width: 100%;
    list-style-type: none;
}

.user-list .users li {
    padding: 5px 25px;
    position: relative;
}

.user-list .users li::after {
    content: "";
    position: absolute;
    top: 0;
    right: 25px;
    height: 100%;
    width: 20px;
    background-image: linear-gradient(to right, rgba(232, 234, 236, 0), rgba(232, 234, 236, 1));
}

.user-list .users a {
    color: inherit;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    max-width: 100%;
    display: inline-block;
}