added a style for a specific (non-auto sized) parent node instead of setting its style after init
added a style for a specific (non-auto sized) parent node instead of setting its style after init

rlugojr/cytoscape.js,KonstantinShemyak/cytoscape.js,rlugojr/cytoscape.js,soomin-maeng/cytoscape.js,cytoscape/cytoscape.js,cytoscape/cytoscape.js,soomin-maeng/cytoscape.js,KonstantinShemyak/cytoscape.js