Canvas not filled on Chromium

[Sneffel]

WordCloud(document.getElementById('canvas'), { list: [["Mythical creature","1"],["Fawn","1"],["Water","5"],["Wood","3"],["Tree","1"],["Plant","1"],["Hair","1"],["Gesture","1"],["Eyelash","2"],["Audio equipment","1"],["Thumb","1"],["Bangs","1"],["Long hair","1"],["Eyewear","1"],["Font","5"],["Fashion accessory","1"],["Working animal","1"],["Trunk","1"],["Art","1"],["Grass","1"],["Forehead","1"],["Nose","2"],["Chin","2"],["Ear","1"],["Throat","1"],["Wrinkle","1"],["Pleased","1"],["Cheek","1"],["Lip","1"],["Eyebrow","1"],["Mouth","1"],["Lipstick","1"],["Jaw","1"],["Neck","1"],["Rectangle","3"],["Tints and shades","1"],["Pattern","3"],["Circle","1"],["Electric blue","3"],["Darkness","1"],["Brand","3"],["Logo","2"],["Monochrome photography","1"],["Brown","1"],["Grey","4"],["Material property","1"],["Flooring","1"],["Parallel","2"],["Metal","1"],["Azure","2"],["Screenshot","1"],["Multimedia","1"],["Advertising","1"],["Transport","1"],["Media","1"],["Liquid","4"],["Fluid","4"],["Atmospheric phenomenon","3"],["Drizzle","3"],["Moisture","3"],["Dew","3"],["Drop","3"],["Glass","3"],["Blue","1"],["Symmetry","1"],["Symbol","1"],["Water resources","1"],["Sky","1"],["Natural landscape","1"],["Coastal and oceanic landforms","1"],["Cloud","1"],["Horizon","1"]],  
	gridSize: 20,
  weightFactor: 10,
  fontweight:'900',
    rotateRatio: 0.5,
  rotationSteps: 2,
  fontFamily: 'Roboto, sans-serif',
  color: function() {
    return (['#170e11', '#a6303a', '#ffffff20'])[Math.floor(Math.random() * 3)]
  },
  backgroundColor: '#0000'}, );

In Chromium the frame ins't filled yet it is on Firefox. Very different spacing