title: Pycharm- How to set the background desktop of pycharm to translucent
body: <p>I want to set the background of pycharm tools to translucent. I want to look at the content of IDE doc when edit the code..., but I looked for half a day did not find how to set， can you tell me how to set it or pycharm have not this function?and how to set the width and color of line numbers?</p>
  
  <p><img src="https://i.stack.imgur.com/szOk8.png" alt="enter image description here"></p>