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