Element block pseudo-element :before generated with position static border 3px rgba(0,0,0,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block line-height 1 margin 0px float none font-size 16px width 160px background font-weight normal border-radius cursor default z-index auto height auto box-sizing content-box padding 20px transition transform text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden