There's a lot of whitespace showing up at the top of the checkout page.
When looking at the HTML source code for the checkout form you'll notice that there are
<br/> tags added after each line:
This is a result of WordPress' auto-paragraph functionality. By default, WordPress automatically replaces new lines with
<br/> tags or
<p> tags. In some cases this is desirable and in other cases, as in this one, it produces undesirable results. MemberMouse automatically disables this behavior on the checkout page, however in this case, the theme that's active is most likely overriding that behavior and turning the auto-paragraph functionality back on.
Follow the steps below to disable WordPress auto-paragraph functionality from MemberMouse core pages:
Note: If you decide to enable WordPress auto-paragraph functionality on MemberMouse core pages you may find it useful to install a utility plugin that allows you to enable/disable WordPress auto-paragraph functionality on a page-by-page basis. Read this article to learn more about manually enabling/disabling WordPress auto-paragraph functionality.