Lead Developer
You might want to look into Flexbox – it’s a pretty badass new method in HTML5/CSS3:
https://www.kirupa.com/html5/centering_vertically_horizontally.htm
https://philipwalton.github.io/solved-by-flexbox/demos/vertical-centering/
https://davidwalsh.name/css-vertical-center-flexbox
Let me know if you need more info 🙂