text headers

1) i’m an absolute newbie and I’m trying to change the size of my text headers for the phone but they don’t seem to change when I refresh on the phone I’m changing the size under Style > Typography > Size > phone icon then, I click “Update.” Is there a lag time, or … ?

some of my header words have one or two letters that are falling onto the next line

2) Also, I have all the headers set at 70pts for desktops and 50pts for phones but on my phone the headers are sometimes different sizes, and I can’t get them to look right on my phone

3) The site and all the headers look very small and “off” on my friend’s phone

The page I need help with: [log in to see the link]