Revert "Changed jumbotron default font size to 16px, h3 font size to 20px and jumbotron h1 to 40px"
Revert "Changed jumbotron default font size to 16px, h3 font size to 20px and jumbotron h1 to 40px"

This reverts commit c6bcab1bc651cc18446f99490463125750d44fea.

Reverting commit. Will add CSS updates to custom.css instead.

hillst/RnaMaker,hillst/RnaMaker,hillst/RnaMaker,hillst/RnaMaker,hillst/RnaMaker