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