Layout improvements for Learning Mode "Video" template.

[aaronfc]

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This is how the Learning Mode template "Video" looks like when the content of the lesson is quite long. In this case the content was created with Divi.

What I Expected

What Happened Instead

Context / Source

• This was reported by Gonzalo and after an initial investigation and discussion with @Luchadores we decided to create a ticket for each template to adjust.
• Issues identified:
  • [ ] Content under the video must wider: as wider as the video.
  • [ ] The "Contact teacher" button must be placed right after the Course Outline.
  • [ ] There must be some spacing between the content above the video and the video.