Task #2251, Stage #6 - Mining Empire landing

Let’s add a div.header-btn element just after the div.menu-block.
This item must be a flex container.
Inside the div.header-btn add one link with the class download-btn; the link should lead to the #download block.
Link text - Download for free.
Let’s add the styles for .download-btn right away: the size of the 1rem font, which should be compressed by 0.4px.
Line height must be 10px, font color #ffffff; height 40px.
The background color is #1f1f1f and the edges are rounded by 3px.
Left margin should be 15px, padding should be 15px.
Don’t forget to remove the underscore from the link.

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