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