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