Element block pseudo-class :active generated with box-sizing content-box padding 20px border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px height auto float none font-weight normal overflow hidden display block font-size 16px width 160px z-index auto cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) border 0px rgba(0,0,0,1) solid transform transition position static background line-height 1