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