No visually difference of the active tab

[arcticicestudio]

The current active tab has no visual difference compared to unactive tabs. This leads to the fact that it is hard for the user to

• know which file currently is open editing
• know which direction to change tabs to get to another file
• know if a file is saved or not.

Caused by the .tab.active[class="MarkdownPreview"] selector which overrides the .tab.active selector rules.

[arcticicestudio]

Now using northem1 color for the current active tab which seem to fit with most syntax themes: