.graph-block { background-color: rgba(0, 0, 0, 0.1); } .block-palette > image { background-image: url('resource:///org/chrysalide/gui/core/images/palette.png'); } .block-collapse > image { background-image: url('resource:///org/chrysalide/gui/core/images/collapse.png'); } .block-expand > image { background-image: url('resource:///org/chrysalide/gui/core/images/expand.png'); }