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