Web Content Accessibility Guidelines (WCAG) 2.0 covers a wide range of recommendations for making Web content more accessible. In this release, to better conform with WCAG 2.0 Level AA, we adjust the color scheme and CSS style of some elements in the visitor-side chat window. This release update shows the color and style changes in details.

The major color and style change for the visitor-side chat window includes the following:

• The background color of pre-chat window, chat window, post-chat window, and offline message window.
• The color of system fields.
• The background color of buttons.
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• The background color and font color of messages.
• The color of send time.
• The color of the send button.
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• The color of links.
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• The hover style of attachment icon, audio and video call icons.
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• The background and font color of possible answers and quick reply options in the chat with a chatbot.
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• The color of Helpful or Not Helpful buttons in the chat with a chatbot.
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• The style of the single select dropdown.
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• The style of date and time selection box.
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• The rating style in the post-chat survey.
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