Removing basic header/text elements from a theme

inspect the page, get the class and put on css .theClass{ display:none; } also if you want to remove the text on the header, probably will be on the file header.php this are maybe the two ways I would do it, there are many more.

Can I use non-wordpress themes in WordPress?

WordPress can’t use themes designed for other platforms (for instance, you can’t use Ghost CMS themes in WordPress because they weren’t designed for the platform). To answer the second part of your question, you can use any third-party theme made for WordPress even if it was not made by the WordPress development team. The most … Read more