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