Element block pseudo-class :active generated with transition height auto border-radius display block line-height 1 background box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow hidden position static border 5px rgba(0,0,0,1) solid font-weight normal transform float none font-size 16px box-sizing content-box width 160px z-index auto margin 16px cursor default padding 20px text-shadow 1px 1px 1px rgba(0,0,0,0.2)