resize window white icons round glossy buttons black background

navigate by keyword : action adjust adjustable arrows bigger black blue buttons chrome collapse collapsing colors cyan dark enhance enlarge expand glass glossy gray green icons invert larger magnification magnify metal operation orange pictograms purple red reflections resize round scalable scale shiny shrink silver smaller sphere spherical steel stretch symbols vector white window yellow zoom

Resize window white icons in round glossy buttons with steel frames on black background. The buttons are in two different styles and eight colors