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