Header animated and sticky #29

[KikinovK]

Description

Header animated and sticky#29

Type of change

• [x] New feature (non-breaking change which adds functionality).

  Screenshots (if applicable)

  

Checklist

• [x] The code follows the project's coding guidelines and style.
• [x] The documentation has been updated to reflect the changes (if applicable).
• [x] The branch is up-to-date with the latest changes from the target branch.
• [x] There is only one commit in a branch.

[netlify[bot]]

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