[e.cash] Improve what we do spacing

Summary: I noticed the second section on the homepage on mobile was a little too spaced out and took too long to enter. Adjusting here

Test Plan: preview and check

Reviewers: #bitcoin_abc, bytesofman

Reviewed By: #bitcoin_abc, bytesofman

Subscribers: bytesofman

Differential Revision: https://reviews.bitcoinabc.org/D18750