make pictures in hifis4sci scale better

Normally, for these kind of pages, the pictures are symbolic only, and can be rather small in mobile view, merely serving as separators. In this specific case, the pictures contain content (and text), so they should be larger. Thus, adding some Extrawurst formatters for this specific page only.

Closes #286 (closed)

changed milestone to %Homepage Relaunch 2022 - Version 2.0

assigned to @jandt-desy

merged

mentioned in commit 11445103

changed the description

changed milestone to %Homepage Relaunch 2022 - version for evaluation report hand-in