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