You can add global styles to this file,and also import other style files .blocklyZoom>image,.blocklyTrash image,.blocklyZoom image{filter:brightness(0) saturate(100%) invert(42%) sepia(93%) saturate(1352%) hue-rotate(196deg) brightness(100%) contrast(101%);opacity:1!important}.blocklyZoom>image:hover,.blocklyTrash image:hover,.blocklyZoom image:hover{filter:brightness(0) saturate(100%) invert(30%) sepia(98%) saturate(2000%) hue-rotate(200deg) brightness(95%) contrast(105%)!important}.blocklyMainBackground,.blocklyFlyoutBackground,.blocklyToolboxDiv,.blocklyWidgetDiv,.blocklyDropDownDiv,.blocklyScrollbarBackground,.blocklyScrollbarHandle,.blocklyZoom,.blocklyTrash,svg.blocklySvg,.blocklySvg rect,.blocklySvg path{border-radius:0!important;rx:0!important;ry:0!important}