Maximize window plastic sunk buttons - Stock vector

maximize, enlarge, full, resize, zoom, magnify, fullscreen, extend, increase, wide, window, panel, object, shape, screen, change, view, tool, arrow, control, setting, adjustment, buttons, icons, app, application, symbol, set, design, theme, template, sunk, bevel, deep, edge, spherical, round, gradient, color, gray, green, red, blue, orange, purple, magenta, yellow, cyan, vector, illustration