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