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