Tweak: Make more important tasks stand out more

[jschuur]

• [x] Large font size/(semi)bold for top task
• [x] Slightly larger font size/more weight for second and third tasks
• [x] separator between the first three and the rest of the tasks

[jschuur]

Completed in ec726f9c1b1077f02ac0dd2e2376066bbd34e296