.section-nav {
    opacity: 0;
    visibility: hidden;
    position: fixed;
    z-index: 20;
    right: 26px;
    top: 50%;
    padding-left: 4px;
    padding-right: 4px;
    -ms-transform: translate(0, -50%);
    transform: translate(0, -50%);
}
.section-nav.show {
    opacity: 1;
    visibility: visible;
}

.section-nav-switch {
    display:block;
    position: relative;
    width: 16px;
    height: 16px;
    margin: 8px 0;
    cursor: pointer;
}

.section-nav-bg {
    position: absolute;
    z-index: 1;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 8px;
    height: 8px;
    margin: auto;
    border-radius: 50%;
    transition: .2s;
}

.section-nav-active-bg {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    border: solid 1px transparent;
    border-radius: 50%;
    -ms-transform: scale(0);
    transform: scale(0);
    transition: .2s;
}

.section-nav-label {
    position: absolute;
    top: -1px;
    right: -1px;
    height: 18px;
    padding-left: 9px;
    padding-right: 9px;
    border-radius: 9px;
    margin-right: 9px;
    background: #f66f6a;
    font-size: 0;
    overflow: hidden;
    -ms-transform: scale(0);
    transform: scale(0);
    -ms-transform-origin: right center;
    transform-origin: right center ;
    -webkit-transition: .2s;
    transition: .2s;
}
.section-nav-label span {
    display: inline-block;
    padding-right: 9px;
    font-size: 12px;
    line-height: 18px;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    -ms-transform: scale(0);
    transform: scale(0);
    -ms-transform-origin: right center;
    transform-origin: right center;
    -webkit-transition: .2s;
    transition: .2s;
}

.section-nav-switch:not(.hover) .section-nav-label {
    width: 18px !important;
}

.section-nav-switch.hover .section-nav-bg {
    background-color: white !important;
}

.section-nav-switch.hover .section-nav-label {
    margin-right: 0;
    -ms-transform: scale(1);
    transform: scale(1);
}

.section-nav-switch.hover span {
    -ms-transform: scale(1);
    transform: scale(1);
}

.section-nav-switch.active .section-nav-active-bg {
    -ms-transform: scale(1);
    transform: scale(1);
}

.section-nav[data-theme] .section-nav-active-bg {
    border-color: #f66f6a;
}


.section-nav[data-theme] .section-nav-switch.active .section-nav-bg {
    background-color: #f66f6a;
}

.section-nav[data-theme="light"] .section-nav-bg {
    background-color: #fff;
}

.section-nav[data-theme="dark"] .section-nav-bg {
    background-color: rgba(0,0,0,0.8);
}

.section-nav[data-theme="grey"] .section-nav-bg {
    background-color: #A0A2A8;
}

.section-nav[data-theme="hide"] {
    display: none;
}

@media (max-width: 1023px) {
    .section-nav {
        display: none;
    }
}