title: adminLTE gap between content-wrapper and top bar
body: <p>I'm using adminLte template, my problem is there is a gap between my content page and the top bar. please see below image. I tried many times for like 1 to two hours to find out what is that element but can't find it in inspect element it's unselectable. Any idea will be appreciated. thank you
  description: 
  Blue: topbar(nav bar)
               Red: Content Page
               Black/DarkGray: It is the problem, it's the gap between the nav var and content. I want my nav bar and content to be placed next to each other ,in other words no margin between those two elements.</p>
  
  <p><a href="https://i.stack.imgur.com/f7XIF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/f7XIF.png" alt="enter image description here"></a></p>