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