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