The Header Settings section in the Studio 9 theme Customizer contains 5 options. Navigate to Appearance → Customize → Theme Options → Header Settings to access these settings.

Options

• Logo Image (Image) — Upload your logo.
• Header Layout (Select) — Choose header layout (left, centered, right, or big).
• Header Style (Select) — Choose header style (boxed or full-width).
• Header Auto Close (On/Off) — Auto-close the header when scrolling.
• Header Top Margin (Text) — Top margin in pixels.

After making changes, click Publish at the top of the Customizer to save your settings.