aprilFools.ps1

function april {
  param([Switch] $Undo)
   
  $customCssPath = "C:/Users/$env:username/AppData/Local/Google/Chrome/User Data/Default/User StyleSheets/Custom.css"
  $customCss = "body { -webkit-transform: rotate(180deg); }"
   
  if ($Undo)
  {
    copy "$customCssPath.backup" $customCssPath
  }
  else
  {
    copy $customCssPath "$customCssPath.backup"
     
    Add-Content $customCssPath "`r`n$customCss"
  }
}