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