Imagine that you are a professional ASP.NET Core developer. I need the following page design using Bootstrap 5.3:
A header in which there will be only a Sign In button (in Layout.cshtml);
And the page itself (Home.cshtml). This page will have 2 "lines": the first will contain the slick slider from the slick-carousel library. The second line will contain a gallery of different pictures, different resolutions. All pictures should be arranged in three columns. 
Show me please example of such design (HTML + CSS).