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