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