olark.configure('system.hb_custom_style', { 
	general: { 
		fonts: ['Bitter', 'serif'], 
		corners: '', 
		secondaryColor: '' 
	} 
});

Notes

Choose what font you’d like the chatbox to have. Use this call with an Array of valid loaded fonts. Note that the fonts must be loaded on your site for the chatbox to be able to use them.

olark.configure('system.hb_custom_style', {
  general: {
    fonts: ['Bitter', 'serif'],
    corners: '',
    secondaryColor: ''
  }
});

font