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