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