Bring back some of the Jest homepage changes for mobile

[orta]

This fixes the layout of the video on the homepage for both web and mobile ( e.g. here )

Before:

After:

[codecov-io]

Codecov Report

Merging #5321 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #5321   +/-   ##
=======================================
  Coverage   61.25%   61.25%           
=======================================
  Files         205      205           
  Lines        6896     6896           
  Branches        4        3    -1     
=======================================
  Hits         4224     4224           
  Misses       2671     2671           
  Partials        1        1

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[github-actions]

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