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