diff --git a/css/styles.css b/css/styles.css
index 092d0c5..67ede2d 100644
--- a/css/styles.css
+++ b/css/styles.css
@@ -255,3 +255,10 @@ input#disp--ena:checked + .panel__input--checkbox {
 .clr--gna {
     color: #81C784;
 }
+.source {
+    padding: 16px 0;
+    opacity: 0.5;
+}
+.source:hover {
+    opacity: 1;
+}
\ No newline at end of file
diff --git a/index.html b/index.html
index 6adbaa9..da7c3c3 100644
--- a/index.html
+++ b/index.html
@@ -36,7 +36,7 @@
 			<div id="modelSimContainer">
             	<div id="modelSim"></div>
             	<div id="modelSim--snapshots"></div>
-			</div>
+            </div>
         </div>
 
         <div class="config">
@@ -102,6 +102,7 @@
                     <div class="panel__input"><span class="label">Gm <span class="unit">(mS/cm^2)</span></span><input type="number" name="Gm" value="0.3"></div>
                 </div>
             </div>
+            <p class="source">Made by Yarmo Mackenbach (<a href="https://git.yarmo.eu/yarmo/neuromodeljs">Source code</a>)</p>
         </div>
 
     </div>