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