There can be a lot of stuff listed under steps. Freeze (or lock) the row of steps so that as you scroll down to see the items below, you don't lose sight of what the steps are.
Freeze Pane - "Steps" in User Story Maps
During my demo and set up for my team, we noticed we have a hard time with the steps because we can't freeze the steps window pane so it goes out of view quickly when we are working collaboratively down the user board. It would save a lot of time ...