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