.fl-side-nav-wrapper {
    position: fixed;
    top: 50%;
    left: 0;
    transform:          translate3d(0, -50%, 0);
    -o-transform:       translate3d(0, -50%, 0);
    -moz-transform:     translate3d(0, -50%, 0);
    -webkit-transform:  translate3d(0, -50%, 0);
    display: inline-block;

    background: #111;
    opacity: 0.65;
    padding: 10px 10px 10px 7px;
    border-bottom-right-radius: 16px;
    border-top-right-radius: 16px;
    backface-visibility: hidden;
}
.fl-side-nav {
    margin: 0;
    padding: 0;
    list-style: none;
}
.fl-side-nav-item {
    margin: 10px 0;
    position: relative;
    display: block;
    width: 16px;
    height: 16px;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 16px;
    background: #666;
    cursor: pointer;

    transition:         background-color 250ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    -o-transition:      background-color 250ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    -moz-transition:    background-color 250ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    -webkit-transition: background-color 250ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.fl-side-nav-item:hover,
.fl-side-nav-item.active {
    background: #eee;
}

.fl-side-nav-link {
    display: block;
    position: absolute;
    top: 50%;
    transform:          translate3d(-200%, -50%, 0);
    -o-transform:       translate3d(-200%, -50%, 0);
    -moz-transform:     translate3d(-200%, -50%, 0);
    -webkit-transform:  translate3d(-200%, -50%, 0);
    left: -100%;
    /*left: 25px;*/
    /*left: 2.5em;*/
    font-size: 10px;

    white-space: nowrap;
    color: #fff;
    background: #666;
    border-radius: 4px;
    padding: 4px 7px;
    transition:         transform 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    -o-transition:      transform 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    -moz-transition:    transform 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    -webkit-transition: transform 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.fl-side-nav-link::before {
    content: '';
    display: block;
    width: 400%;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 100%;
}
.fl-side-nav-link.no-text {
    background: none;
}

.fl-side-nav-item:hover .fl-side-nav-link {
    text-decoration: none;
    color: #fff;
    transform:          translate3d(0, -50%, 0);
    -o-transform:       translate3d(0, -50%, 0);
    -moz-transform:     translate3d(0, -50%, 0);
    -webkit-transform:  translate3d(0, -50%, 0);
    left: 200%;
}
.fl-side-nav-link:focus {
    outline: none;
}