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