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