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