Element block pseudo-element :after generated with transform line-height 1 border-radius overflow hidden cursor default margin 15px background width 160px float none font-size 16px border 3px rgba(0,0,0,1) solid transition box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-weight normal position static padding 32px display block height auto