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