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