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