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