DashboardPanelChart.css

:root{--dashboard-panel-chart-ratio:2.5}.DashboardPanelChart__canvas{display:none}.DashboardPanelChart__placeholder{padding-bottom:calc(100%/var(--dashboard-panel-chart-ratio));height:0;position:relative;overflow:hidden}.DashboardPanelChart__canvas[style]+.DashboardPanelChart__placeholder{display:none}