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