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