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