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