Don't mix light and dark mode on getting_started

Author: sgravrock

css/_scss/getting_started.scss

@@ -17,10 +17,8 @@
   }
 
   pre {
-    font-family: Monaco, Consolas, "Lucida Console", monospace;
-    font-size: 12px;
-    background-color: #031317;
-    color: #93a1a1;
+    @include light-code();
+    font-size: 14px; // make things fit
     padding: 10px;
     margin-bottom: 1rem;
   }

pages/getting_started.html

@@ -28,11 +28,15 @@ <h2>Jasmine for Node.js</h2>
   <div class="option">
     <h2>Jasmine for Browsers</h2>
     <p>Add Jasmine to your package.json</p>
-    <pre>npm install --save-dev jasmine-browser-runner jasmine-core</pre>
+    <pre>npm install --save-dev \
+    jasmine-browser-runner \
+    jasmine-core</pre>
     <p>Initialize Jasmine in your project</p>
     <pre>npx jasmine-browser-runner init</pre>
     <p>Set jasmine as your test script in your package.json</p>
-    <pre>"scripts": { "test": "jasmine-browser-runner runSpecs" }</pre>
+    <pre>"scripts": {
+    "test": "jasmine-browser-runner runSpecs"
+}</pre>
     <p>Run your tests</p>
     <pre>npm test</pre>
     <p>