Something

xwininfo: Window id: 0x2400044 "Google - Chromium"

  Absolute upper-left X:  0
  Absolute upper-left Y:  48
  Relative upper-left X:  0
  Relative upper-left Y:  0
  Width: 1280
  Height: 976
  Depth: 24
  Visual: 0x21
  Visual Class: TrueColor
  Border width: 0
  Class: InputOutput
  Colormap: 0x20 (installed)
  Bit Gravity State: NorthWestGravity
  Window Gravity State: NorthWestGravity
  Backing Store State: NotUseful
  Save Under State: no
  Map State: IsViewable
  Override Redirect State: no
  Corners:  +0+48  -0+48  -0-0  +0-0
  -geometry 1280x976+0-0