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