Fix: Remove border from TabButton (styleguidist#490)

Fix missing title in function descriptions (styleguidist#492)

Fix: Styles of the last column (close styleguidist#481)

Fix: Pass showUsage option to the frontend

Changelog: 🚀

## New features

### UI refresh

Welcome our refined UI! More consistent and clean:

![](https://d3vv6lp55qjaqc.cloudfront.net/items/3j1P0K1a1Q451t2Z2p3G/Screen%20Recording%202017-06-08%20at%2008.54%20PM.gif)

🦊 This is the first part of the planned improvements and a base for upcoming plugin API, see styleguidist#426 and styleguidist#354 for more details — we need your feedback there 🚀

🍕 Thanks to @SaraVieira and @n1313 for help! ❤️

### Props & methods are hidden by default

Use the new config option [showUsage](https://react-styleguidist.js.org/docs/configuration.html#showusage) to restore the old behavior.

## Bug fixes

### Crash when using a defaultProp that is not listed in props (styleguidist#437 by @ankri)

### Isolated examples inside sections

### Issues with `position: relative` (styleguidist#441)

### Ugly isolated example link (styleguidist#235)

Fix: Update docs links to the site insted of GitHub

Fix: Fix incorrect default glob pattern (was introduced in styleguidi…

…st#404, fixes styleguidist#461)

Changelog: 🚀

## New feature

**Section isolated mode:** now you can open sections in isolated mode too.

(styleguidist#394 by @Knorcedger)

## Bug fixes

* Fix React CodeMirror warning when opening code editor
* Fix Create React App 1.0 support (styleguidist#458)
* Fix back button path for support pathname-relative paths (styleguidist#447 by @stepancar)
* Promise polyfill for IE11 because require.ensure requires it in webpack 2

Fix: Fixes a crash when using a defaultProp that is not listed in pro…

…ps (styleguidist#437)

Changelog: 🚀

## New features

### JSDoc tags support for props, components and methods

See [documentation](https://github.com/styleguidist/react-styleguidist/blob/master/docs/Documenting.md#using-jsdoc-tags) for details.

(styleguidist#395 by @ankri)

## Theme improvements

Variables for font sizes, consistent spacing, etc. See [theme.js](https://github.com/styleguidist/react-styleguidist/blob/master/src/styles/theme.js) for all available theme variables.

(styleguidist#418 by @SaraVieira)