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