fix alienarena icon
Summary:
- reverse gradient
- change objects
- clear code
- add shadow
- pixel align
Compare:
SVG:
alienarena.svg3 KBDownload
Reviewers: andreask, Breeze, andreaska
Reviewed By: Breeze, andreaska
Subscribers: alex-l, Frameworks
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D4259