border around blog


assalamualaikum . 
teach teach come again , woah \^^/
  • sign in - dashboard - design - edit HTML - Ctrl+f
  • search this code ;
.content-inner or .main-outer
  • find it ? then copy this code below the code that you've found ; 
border: 3px solid #000000;
  • change the red code numbers and pick your own code colors here