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