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