.react-icon {
    user-select: none;
    width: 1em;
    height: 1em;
    display: inline-block;
    fill: currentColor;
    flex-shrink: 0;
    transition: fill 200ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;
    font-size: 1.5rem;
}

.tox-menubar,
.tox-toolbar-overlord,
.tox-toolbar__primary,
.tox-statusbar,
#content_ifr {
    background-color: transparent !important;
}
.tox-toolbar-overlord,
.tox-toolbar__primary,
.tox-statusbar,
#content_ifr {
    background-color: transparent !important;
}

.tox .tox-collection--list .tox-collection__group:first-child {
    max-width: 400px;
}

span.Resizer.vertical {
    width: 11px;
    background-color: #f2f2f2;
    border-left: 5px solid rgba(255, 255, 255, 0);
    border-right: 5px solid rgba(255, 255, 255, 0);
    cursor: col-resize;
    z-index: 999;
}

span.Resizer.horizontal {
    width: 100%;
    height: 11px;
    background-color: #f2f2f2;
    border-left: 5px solid rgba(255, 255, 255, 0);
    border-right: 5px solid rgba(255, 255, 255, 0);
    cursor: row-resize;
    z-index: 999;
    min-height: 11px;
}

.chapterButtonWrapper {
    overflow: auto;
    flex-direction: row;
    padding-right: 10px;
}

.chapterButtonWrapper::-webkit-scrollbar {
    height: 6px;
    width: 6px;
    background-color: #f5f5f5;
}

.chapterButtonWrapper::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
    background-color: #f5f5f5;
}

.chapterButtonWrapper::-webkit-scrollbar-thumb {
    background-color: #a4a4a4;
}

.videoChapterCollapseButton {
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9;
    position: absolute !important;
    padding: 5px !important;
    margin-top: 0px !important;
}

.customTooltip {
    background-color: #f5f5f9;
    color: rgba(0, 0, 0, 0.87);
    font-size: 12px;
    border: 1px solid rgb(218, 221, 233);
    max-width: 220px;
    padding: 4px 8px;
    margin-left: 10px;
    position: fixed;
    z-index: 9999;
    border-radius: 4px;
}
.customTooltip strong {
    font-size: 12px;
    display: inline-block;
    padding-bottom: 5px;
    font-weight: bold;
}