Should be 300x36 or smaller and ideally should have a transparent background.

Should be 200x80 or similar and ideally should have a transparent background.

Should be large enough to fill the background.

Repeat, Attachment and Position

Size

Specifying Images

Upload images to lib/layouts/images/custom folder and specify the relative path (lib/layouts/images/custom/mylogo.png). Remember to check the logo under different themes. You may need to clear the browser cache to see any changes you make to the logo here.

Background Image Examples

Background Property: no-repeat left top fixed

Background Size: cover

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