fix: style

index.html

@@ -338,7 +338,7 @@ <h2 id="getting started">Getting started</h2>
                 </ol>
                 <div>
                     <h4 class="highlight center" style="padding-bottom: 0px; text-align: left;">Note</h4>
-                    <p class="highlight center" style="text-align: left;">If you are on a Mac and get an error message
+                    <p class="highlight center" style="text-align: left; margin-bottom: 15px;">If you are on a Mac and get an error message
                         saying that the file is from an “unidentified developer”, you can override it by holding
                         control while double-clicking. The error message will still appear, but you will be given an
                         option to run the file anyway. <b>You will have to do this for two executables</b>. First,