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