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