Use Photoshop and practice Type Hierarchy
Create a new document > Web > Web Large > 1920 x 1080
Create 3 sizes of type
Headline type – a very short sentence or few words, Large size
Sub-Headline – a short sentence, medium size
Body – this is a paragraph with 5 – 7 sentences, small size
Add colorful background colors using the rectangle tool
Add Effects
save as PSD for your records
SAVE AS PNG and turn it in