Style tweaks, add external icons

Author: jodyheavener

src/css/custom.css

@@ -5,21 +5,52 @@
  * work well for content-centric websites.
  */
 
-/* You can override the default Infima variables here. */
 :root {
   --ifm-color-primary: #0069d9;
-  --ifm-color-primary-dark: rgb(33, 175, 144);
-  --ifm-color-primary-darker: rgb(31, 165, 136);
-  --ifm-color-primary-darkest: rgb(26, 136, 112);
-  --ifm-color-primary-light: rgb(70, 203, 174);
-  --ifm-color-primary-lighter: rgb(102, 212, 189);
-  --ifm-color-primary-lightest: rgb(146, 224, 208);
-  --ifm-code-font-size: 95%;
 }
 
-.docusaurus-highlight-code-line {
-  background-color: rgb(72, 77, 91);
+[data-theme="dark"]:root {
+  --ifm-toc-border-color: #373737;
+  --ifm-color-primary: #55a7ff;
+}
+
+.main-wrapper {
+  display: flex;
+  flex-direction: column;
+}
+
+.main-wrapper > div:first-child {
+  flex: 1 0 0;
+}
+
+.navbar__toggle,
+.navbar__logo {
+  margin-right: 1rem;
+}
+
+.header-github-link::before {
+  content: "";
+  width: 24px;
+  height: 24px;
+  display: flex;
+  background-repeat: no-repeat;
+  background-image: url("/experimenter-docs/img/github.svg");
+}
+
+[data-theme="dark"] .header-github-link::before {
+  background-image: url("/experimenter-docs/img/github-dark.svg");
+}
+
+.menu__list a[href^="http://"]:not([href*="localhost:3000"]):after,
+.menu__list a[href^="https://"]:not([href*="mozilla.github.io/experimenter-docs"]):after
+{
+  content: "";
+  background-repeat: no-repeat;
+  background-image: url("/experimenter-docs/img/external.svg");
   display: block;
-  margin: 0 calc(-1 * var(--ifm-pre-padding));
-  padding: 0 var(--ifm-pre-padding);
+  min-width: 15px;
+  height: 15px;
+  top: 2px;
+  position: relative;
+  margin-left: 10px;
 }