I *think* the fixed header isn’t yet supported, but the devs can confirm.
Here’s where I found the other two items.
Transparent header:
Customize > Header > General, and then click on the background color. Use the right slider to pull the color down all the way to transparent.
Back to top button:
Customize > General under General Options > Scroll to Top under Form Elements
This option may not be available in the theme yet, but you can reduce the space by adding custom CSS (inside Customize, at the bottom where it says Additional CSS).
Try pasting this in:
.content-area {
padding-top: 40px;
}
You can change the 40px to whatever size you like. It’s defaulting to 80px.
