Łukasz Kliś 9fa666cba7 Added multiline "placeholder" to 3rd step of setup ...

Closes #5459
- added a PNG background with 2 emails addresses as a "placeholder"
- added a `required` attribute for textarea in 3rd step of the setup
- taking an advantage of `:valid` pseudo-class to hide the background
  picture with email addresses

2015-07-01 23:14:27 +02:00

7.7 KiB

404x96px

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