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