HTML Teamplate soft-rejection

Hi, today Iv’e got soft on my HTML template.
Here is demo:

Help me please, what should and where should I fix. Thank you!

Here is message:

  1. There are spacing and alignment issues in this item. Please make sure that all elements are aligned properly and spacing is consistent from section to section. Here are some articles with more information regarding negative space and proper spacing:,

  2. Mobile styling needs attention/improvement in some areas. Please check/test your pages carefully and resolve all issues.

  3. The typographic hierarchy of this item requires additional work. For more information, please read:

  4. Please keep documentation and main template files in separate folders -

  5. Inline CSS is not permitted. Please remove all inline CSS.