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