Greetings!
Describe the bug
I use a custom theme for Storybook. barBg property changes background of blocks with code.
To Reproduce
Steps to reproduce the behavior:
Expected behavior
So, I expect barBg to change background of top bar only.
Screenshots

Code snippets
// file with custom theme settings
import { create } from '@storybook/theming';
export const theme = create({
base: 'light', // base theme
appBg: '#f4f5f9',
barBg: '#3f4557',
barTextColor: '#ffffff',
barSelectedColor: '#ebb242',
});
System:
System:
OS: macOS 10.14.5
Binaries:
Node: 10.16.0 - /usr/local/bin/node
Yarn: 1.5.1 - /usr/local/bin/yarn
npm: 6.9.0 - /usr/local/bin/npm
By the way, version I use are
"@storybook/addon-notes": "^5.1.9",
"@storybook/addons": "^5.1.9",
"@storybook/theming": "^5.1.9",
"@storybook/vue": "^5.1.9",
Fixing this now.
Yay!! I just released https://github.com/storybookjs/storybook/releases/tag/v5.1.10 containing PR #7623 that references this issue. Upgrade today to try it out!
w00t!! I just released https://github.com/storybookjs/storybook/releases/tag/v5.2.0-beta.19 containing PR #7623 that references this issue. Upgrade today to try it out!
You can find this prerelease on the @next NPM tag.
I'm sorry, but I still have an issue with the theming (https://github.com/storybookjs/storybook/issues/7434):
Running on Storybook 5.2.0-rc.4 (angular).
My theme:
base: 'dark'
How the notes tab looks:

FYI addon-notes聽is being superceded by聽addon-docs. It鈥檚 reached release candidate (RC) status and will be properly released soon. Please give it a try!聽https://medium.com/storybookjs/storybook-docspage-e185bc3622bf