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