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