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