Element block pseudo-class :active generated with z-index auto border 1px rgba(0,0,0,1) solid position static padding 20px background border-radius width 160px font-size 16px font-weight bold line-height 1 transform box-sizing content-box display block margin 0px box-shadow 0px 0px 2px rgba(0,0,0,0.5) float none cursor default text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition height auto overflow hidden