Element block pseudo-element :before generated with margin 0px box-sizing content-box padding 20px z-index auto background overflow hidden line-height 1 float none font-size 16px transform font-weight normal border 0px rgba(0,0,0,1) solid display block height auto box-shadow 1px 1px 1px rgba(45,40,40,0.3) border-radius position static cursor default text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition width 160px