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