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