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