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