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