div.md-content a[href^="http://"]:not([href*="test.rstudio.com"]):after,div.md-content a[href^="https://"]:not([href*="test.rstudio.com"]):after,div.md-content a[href^="//"]:not([href*="test.rstudio.com"]){content:url(../images/external_link.svg);vertical-align:15%;display:inline-block;text-decoration:none;padding-left:3px}