Update defaultStyleOptions.ts by Manoj-Caipl100 · Pull Request #5382 · microsoft/BotFramework-WebChat
Below was the old configuration for sendBoxBorder
sendBoxBorderBottom: undefined,
sendBoxBorderLeft: undefined,
sendBoxBorderRight: undefined,
sendBoxBorderTop: 'solid 1px #E6E6E6',
Below is the new configuration for sendBoxBorder
sendBoxBorderBottom: 'solid 2px #E6E6E6',
sendBoxBorderLeft: 'solid 2px #E6E6E6',
sendBoxBorderRight: 'solid 2px #E6E6E6',
sendBoxBorderTop: 'solid 2px #E6E6E6',