diff --git a/css/index.html b/css/index.html
index 59ef0f7..cbce11d 100644
--- a/css/index.html
+++ b/css/index.html
@@ -300,16 +300,16 @@ <h3 id="link-pseudo-classes"><a href="#link-pseudo-classes" aria-hidden="true" c
 <h2 id="references"><a href="#references" aria-hidden="true" class="anchor"><svg aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>References</h2>
 <p><strong>HTML Elements Reference</strong></p>
 <p><a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element">https://developer.mozilla.org/en-US/docs/Web/HTML/Element</a></p>
-<p><strong>InternetingIsHard.com</strong></p>
+<p><strong>Interneting Is Hard</strong></p>
 <ul>
-<li>Hello CSS <a href="https://internetingishard.com/html-and-css/hello-css/">https://internetingishard.com/html-and-css/hello-css/</a></li>
-<li>CSS Selectors <a href="https://internetingishard.com/html-and-css/css-selectors/">https://internetingishard.com/html-and-css/css-selectors/</a></li>
-<li>Links and Images <a href="https://internetingishard.com/html-and-css/links-and-images/">https://internetingishard.com/html-and-css/links-and-images/</a></li>
+<li>Hello CSS <a href="https://internetingishard.netlify.app/html-and-css/hello-css/">https://internetingishard.netlify.app/html-and-css/hello-css/</a></li>
+<li>CSS Selectors <a href="https://internetingishard.netlify.app/html-and-css/css-selectors/">https://internetingishard.netlify.app/html-and-css/css-selectors/</a></li>
+<li>Links and Images <a href="https://internetingishard.netlify.app/html-and-css/links-and-images/">https://internetingishard.netlify.app/html-and-css/links-and-images/</a></li>
 </ul>
 <p><strong>Validating CSS</strong></p>
 <p><a href="http://jigsaw.w3.org/css-validator/">http://jigsaw.w3.org/css-validator/</a></p>
 <p><strong>Convert pixels to ems and %</strong></p>
-<p><a href="http://www.pxtoem.com/">http://www.pxtoem.com/</a></p>
+<p><a href="https://pxtoem.com.au/">https://pxtoem.com.au/</a></p>
 <p><strong>Color palettes, if you need help creating one</strong></p>
 <p><a href="http://color.adobe.com/">http://color.adobe.com/</a></p>
 <p><strong>Colorzilla, for choosing colors from your website</strong></p>
@@ -358,4 +358,4 @@ <h3 id="on-your-own"><a href="#on-your-own" aria-hidden="true" class="anchor"><s
 <li>Photos and/or videos of your hobby in action</li>
 <li>Links to websites describing your hobby, or where hobbyists discuss what they do</li>
 </ul>
-<p>If you manage to get as far as creating both web pages, link them together with a navigation bar.</p></div><div class="lesson-links"><a class="prev" href="/bootcamp/html">← HTML</a><a class="next" href="/bootcamp/layout">Layout →</a></div></div></div></div><div id="pageBGFooter"></div></div></div></div><script>window.klipse_settings = {"selector":".klipse","selector_brainfuck":".klipse-brainfuck","selector_es2017":".klipse-es2017","selector_eval_cpp":".klipse-cpp","selector_eval_html":".language-html","selector_eval_js":".language-javascript","selector_eval_lambdaway":".klipse-lambdaway","selector_eval_markdown":".klipse-markdown","selector_eval_ocaml":".klipse-ocaml","selector_eval_php":".klipse-eval-php","selector_eval_python_client":".klipse-python","selector_eval_reason":".klipse-reason","selector_eval_ruby":".klipse-eval-ruby","selector_eval_scheme":".klipse-scheme","selector_google_charts":".klipse-google-charts","selector_js":".klipse-js","selector_jsx":".klipse-jsx","selector_oblivion":".klipse-oblivion","selector_react":".klipse-react","selector_reagent":".klipse-reagent","selector_render_jsx":".klipse-render-jsx","selector_sql":".klipse-sql","selector_transpile_jsx":".klipse-transpile-jsx","selector_transpile_ocaml":".klipse-transpile-ocaml","selector_transpile_reason":".klipse-transpile-reason","selector_transpile_reason_to_ocaml":".klipse-transpile-reason-to-ocaml","codemirror_options_in":{"lineWrapping":true,"lineNumbers":true},"codemirror_options_out":{"lineWrapping":true,"lineNumbers":true}};</script><script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script><script id="gatsby-script-loader">/*<![CDATA[*/window.page={"componentChunkName":"component---src-templates-lesson-template-js","jsonName":"css-cb5","path":"/css"};window.dataPath="984/path---css-cb-5-7ad-RiJiII0Mi2xGbe8t0dAQRkfusBs";/*]]>*/</script><script id="gatsby-chunk-mapping">/*<![CDATA[*/window.___chunkMapping={"app":["/app.d29648a98881d92894cd.css","/app-f544c04297ad2c868736.js"],"component---src-templates-lesson-template-js":["/component---src-templates-lesson-template-js-7409b6f587f0d5f1e5ce.js"],"component---src-pages-index-js":["/component---src-pages-index-js.84b684a0874fc729d661.css","/component---src-pages-index-js-d691a63de9fe25ab2923.js"],"component---src-pages-404-js":["/component---src-pages-404-js-723e8e6b29b54aa70d13.js"]};/*]]>*/</script><script src="/bootcamp/webpack-runtime-118ecfec1b9405eea462.js" async=""></script><script src="/bootcamp/app-f544c04297ad2c868736.js" async=""></script><script src="/bootcamp/component---src-templates-lesson-template-js-7409b6f587f0d5f1e5ce.js" async=""></script></body></html>
\ No newline at end of file
+<p>If you manage to get as far as creating both web pages, link them together with a navigation bar.</p></div><div class="lesson-links"><a class="prev" href="/bootcamp/html">← HTML</a><a class="next" href="/bootcamp/layout">Layout →</a></div></div></div></div><div id="pageBGFooter"></div></div></div></div><script>window.klipse_settings = {"selector":".klipse","selector_brainfuck":".klipse-brainfuck","selector_es2017":".klipse-es2017","selector_eval_cpp":".klipse-cpp","selector_eval_html":".language-html","selector_eval_js":".language-javascript","selector_eval_lambdaway":".klipse-lambdaway","selector_eval_markdown":".klipse-markdown","selector_eval_ocaml":".klipse-ocaml","selector_eval_php":".klipse-eval-php","selector_eval_python_client":".klipse-python","selector_eval_reason":".klipse-reason","selector_eval_ruby":".klipse-eval-ruby","selector_eval_scheme":".klipse-scheme","selector_google_charts":".klipse-google-charts","selector_js":".klipse-js","selector_jsx":".klipse-jsx","selector_oblivion":".klipse-oblivion","selector_react":".klipse-react","selector_reagent":".klipse-reagent","selector_render_jsx":".klipse-render-jsx","selector_sql":".klipse-sql","selector_transpile_jsx":".klipse-transpile-jsx","selector_transpile_ocaml":".klipse-transpile-ocaml","selector_transpile_reason":".klipse-transpile-reason","selector_transpile_reason_to_ocaml":".klipse-transpile-reason-to-ocaml","codemirror_options_in":{"lineWrapping":true,"lineNumbers":true},"codemirror_options_out":{"lineWrapping":true,"lineNumbers":true}};</script><script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script><script id="gatsby-script-loader">/*<![CDATA[*/window.page={"componentChunkName":"component---src-templates-lesson-template-js","jsonName":"css-cb5","path":"/css"};window.dataPath="984/path---css-cb-5-7ad-RiJiII0Mi2xGbe8t0dAQRkfusBs";/*]]>*/</script><script id="gatsby-chunk-mapping">/*<![CDATA[*/window.___chunkMapping={"app":["/app.d29648a98881d92894cd.css","/app-f544c04297ad2c868736.js"],"component---src-templates-lesson-template-js":["/component---src-templates-lesson-template-js-7409b6f587f0d5f1e5ce.js"],"component---src-pages-index-js":["/component---src-pages-index-js.84b684a0874fc729d661.css","/component---src-pages-index-js-d691a63de9fe25ab2923.js"],"component---src-pages-404-js":["/component---src-pages-404-js-723e8e6b29b54aa70d13.js"]};/*]]>*/</script><script src="/bootcamp/webpack-runtime-118ecfec1b9405eea462.js" async=""></script><script src="/bootcamp/app-f544c04297ad2c868736.js" async=""></script><script src="/bootcamp/component---src-templates-lesson-template-js-7409b6f587f0d5f1e5ce.js" async=""></script></body></html>