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