Hello, Webpat,
Thank you for contacting us and for using XStore.
Please go to Header Builder, and change the width of the logo element in the header content area, for example – https://gyazo.com/0496675d602aa7b1f4f7ac9fd6e4c2e7
If you have any additional questions or concerns, please do not hesitate to reach out to us. Our support team is always available to assist you.
Kind Regards,
8theme team