J3.x:Backend Login looks bad

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In Joomla 3.4.2 we improved the styling of the backend login page.

Errors reported

Backend login has white background or the login button don't look correct.

Versions affected

Info non-talk.png
General Information

This pertains only to Joomla! version(s):- 3.4.2+

What is the cause

Updates to the Isis template's CSS were made and the browser's cache has not been properly cleaned.

How to fix

Refresh the page and clean your Browser and Joomla Cache