The new Release 20.03 is out! You can download binaries for Windows and many major Linux distros here .
It's been a year since I posted this, but the bug still persists 😂
You go to https://www.codeblocks.org/downloads/ and klick the first download link -> you get redirected to a not https site where css is brocken: http://www.codeblocks.org/downloads/binaries/
@MortenMacFly: you may change your signature to https