.slideout-menu {
    background-color: #1A9886;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    z-index: 0;
    width: 256px;
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
    display: none;
    border-right: 4px solid #333;
}

.slideout-panel {
    position: relative;
    z-index: 1;
    will-change: transform;
}

.slideout-open,
.slideout-open body,
.slideout-open .slideout-panel {
    overflow: hidden;
}

.slideout-open .slideout-menu {
    display: block;
}