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