Element block pseudo-class :active generated with z-index auto box-sizing content-box background box-shadow 1px 1px 1px rgba(0,0,0,0.3) position static transform float none overflow hidden width 160px font-weight normal opacity 0.42 display block padding 20px margin 0px cursor default border-radius line-height 1 border 0px rgba(0,0,0,1) solid height auto font-size 16px text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition