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