Blockly.Themes.Classic.setComponentStyle('workspace', '#1e1e1e');
Blockly.Themes.Classic.setComponentStyle('toolbox', '#333');
Blockly.Themes.Classic.setComponentStyle('toolboxText', '#fff');
Blockly.Themes.Classic.setComponentStyle('flyout', '#252526');
Blockly.Themes.Classic.setComponentStyle('flyoutText', '#ccc');
Blockly.Themes.Classic.setComponentStyle('flyoutOpacity', 1);
Blockly.Themes.Classic.setComponentStyle('scrollbar', '#797979');
Blockly.Themes.Classic.setComponentStyle('scrollbarOpacity', 0.4);


Blockly.Themes.Classic.setBlockStyle('colour_blocks',{
  "colourPrimary": "#4aa832",
  "colourSecondary": "#0000e6",
  "colourTertiary": "#0000e6"
});