Focus on Content in SharePoint 2013

Focus on Content:

In SharePoint 2013, you can find a new button in the top right corner called “Focus on Content”.  This is used to hide the quick launch, top navigation & title and highlights only the main content. Click on Focus on Content button

Quick launch, top navigation & title will be hidden and only the main content area will be highlighted as shown below.

Shortcut Key: Alt+F11