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