fix links in mobile view of home page

The links to the GitLab page and the releases page on GitHub work now
correctly also in the mobile view.
12 jobs for 178-links-to-downloads-and-sources-not-working-in-mobile-view-of-the-home-page in 29 minutes and 31 seconds (queued for 19 minutes and 57 seconds)
Status Job ID Name Coverage
  Images
manual #52056535
allowed to fail manual
build_image_android
manual #52056532
allowed to fail manual
build_image_ubuntu
manual #52056533
allowed to fail manual
build_image_win32
manual #52056534
allowed to fail manual
build_image_win64
 
  Build
passed #52056542
android_armv7

00:06:09

passed #52056543
android_x86

00:07:58

manual #52056541
macos allowed to fail manual
macos
passed #52056536
ubuntu_appimage

00:14:08

passed #52056537
win32_build

00:06:10

manual #52056539
windows allowed to fail manual
win32_vs_build
passed #52056538
win64_build

00:04:27

manual #52056540
windows allowed to fail manual
win64_vs_build