Element block pseudo-element :before generated with height auto box-sizing content-box line-height 1 background border 0px rgba(0,0,0,1) solid opacity 1 display block transition float none box-shadow position static width auto margin 0px padding 15px cursor default outline none overflow hidden transform font-size 18px z-index auto border-radius font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2)