bug #1912 Fixed a CSS issue in Firefox for boolean flip switches (javiereguiluz)
bug #1912 Fixed a CSS issue in Firefox for boolean flip switches (javiereguiluz)

This PR was merged into the 1.16.x-dev branch.

Discussion
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Fixed a CSS issue in Firefox for boolean flip switches

This fixes #1909. The border is now displayed as any other browser:

![firefox-css-issue](https://user-images.githubusercontent.com/73419/32460376-e504fd8e-c332-11e7-95cf-431d8e377282.png)

Commits
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0794f31 Fixed a CSS issue in Firefox for boolean flip switches

yceruto/EasyAdminBundle,yceruto/EasyAdminBundle,OskarStark/EasyAdminBundle,javiereguiluz/EasyAdminBundle,yceruto/EasyAdminBundle,OskarStark/EasyAdminBundle,OskarStark/EasyAdminBundle,javiereguiluz/EasyAdminBundle