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