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