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