Update experiments.html

wiki/pages/experiments.html

@@ -3,7 +3,7 @@ lead %}Describe the research, experiments, and protocols you used in your iGEM
 project.{% endblock %} {% block header %}
 <style>
   .model-bg {
-    background-image: url("https://static.igem.wiki/teams/4583/wiki/modeling/ep-pic-banner01.png");
+    background-image: url("https://static.igem.wiki/teams/4583/wiki/title-pic/7.png");
   }
   .wiki-content b {
     color: black;