Text for hovered events almost unreadable

[The-Compiler]

When hovering an event (to show the full abstract) in the 35c3 style, it's almost unreadable:

Seems much better when using color: white; for .event:hover instead:

However, it seems like style_35C3_v2.css which is used isn't in this repo (otherwise I'd have opened a PR :wink:).

[kpc21]

The problem still occurs, but when the language highlighting is enabled.

Like here:

Probably it may make sense to modify the CSS so that even in the language highlight mode, hovering the mouse over an event changes also the background to black, not necessarily only the text to white.

Or change the light red background to dark red, light blue to dark blue.