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