Fix tab link spacing issue by dropping old sticky navbar css hack

Dependencies

• [2] 36M6DGIT Show the runtime/build dependencies in the build page
• [3] SBMOICGV Evil CSS hackery to prevent link targets from being under the navbar
• [4] 7IJXKGHD Turn repeated dependencies into hyperlinks
• [5] MCCHPWHE Indicate disabled/hidden projects/jobsets in the overviews
• [*] J5UVLXOK * Start of a basic Catalyst web interface.

Change contents

• edit in src/root/static/css/hydra.css at line 34
  [3.670]→[3.848:850](∅→∅),[3.848]→[3.848:850](∅→∅),[3.850]→[3.671:682](∅→∅),[3.682]→[2.1994:2102](∅→∅)
  − }

  −

  − :target {

  − padding-top: 40px;

  − margin-top: -40px;

  − display: inline-block; /* required for webkit browsers */