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