bug #840 Minor CSS fixes for <select> elements (javiereguiluz)
bug #840 Minor CSS fixes for <select> elements (javiereguiluz)

This PR was merged into the master branch.

Discussion
----------

Minor CSS fixes for <select> elements

After merging #839, I found more CSS issues related to `<select>` elements.

Commits
-------

b376f81 Minor CSS fixes for <select> elements

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