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