.ag-lesson-simulator--lesson-11 details.ag-transformer-advanced > summary::after {
    content: "" !important;
    display: block !important;
    width: 10px !important;
    height: 10px !important;
    flex: 0 0 10px !important;
    margin: 0 3px 4px auto !important;
    border: 0 !important;
    border-right: 2px solid #0f4af2 !important;
    border-bottom: 2px solid #0f4af2 !important;
    border-radius: 0 !important;
    color: transparent !important;
    font-size: 0 !important;
    line-height: 0 !important;
    transform: rotate(45deg) !important;
    transform-origin: center !important;
    transition: transform 160ms ease !important;
}

.ag-lesson-simulator--lesson-11 details.ag-transformer-advanced[open] > summary::after {
    margin-bottom: -2px !important;
    transform: rotate(225deg) !important;
}