Element block pseudo-element :before generated with height auto transition border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform line-height 0 border-radius opacity 1 outline none cursor default margin 0px z-index auto width 160px background position absolute float none font-size 12px box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow hidden display block font-weight normal padding 20px