forcing cache invalidation to properly show images on the homepage for mobile
diff --git a/images/promos/Ignite-summit-banner-375px@2x.png b/images/promos/Ignite-summit-banner-375px-alt.png
similarity index 100%
rename from images/promos/Ignite-summit-banner-375px@2x.png
rename to images/promos/Ignite-summit-banner-375px-alt.png
Binary files differ
diff --git a/includes/scripts.html b/includes/scripts.html
index c426acb..59557d9 100644
--- a/includes/scripts.html
+++ b/includes/scripts.html
@@ -1,7 +1,7 @@
 <!-- REMEMBER TO COPY ALL CHANGES TO download.html -->
 
-<link rel="stylesheet" href="/css/ignite-redesign.css?20200308" media="print" onload="this.media='all'">
-<noscript><link media="all" rel="stylesheet" href="/css/ignite-redesign.css?20200308"></noscript>
+<link rel="stylesheet" href="/css/ignite-redesign.css?20210514" media="print" onload="this.media='all'">
+<noscript><link media="all" rel="stylesheet" href="/css/ignite-redesign.css?20210514"></noscript>
 
 <script src="/js/lazysizes.min.js" async=""></script>
 
diff --git a/index.html b/index.html
index e282a4b..1156e0f 100644
--- a/index.html
+++ b/index.html
@@ -157,11 +157,11 @@
     
         <div class="container">
             <div class="wrapper">
-                <a href="https://ignite-summit.org" class="btn" target="_blank" rel="noopener"
+                <a href="https://ignite-summit.org" target="_blank" rel="noopener"
                 onclick="gtag('event',  'homepage_click', { 'event_category': 'ignite_summit_promotion', 'event_label': 'home-section-click'});"
                 >
                 <picture>
-                    <source srcset="/images/promos/Ignite-summit-banner-375px@2x.png"  media="(max-width: 576px)">
+                    <source srcset="/images/promos/Ignite-summit-banner-375px-alt.png"  media="(max-width: 576px)">
                     
                                         
                     <img src="/images/promos/Ignite-summit-banner-1140px.png" alt="Ignite Summit promo" width="1140" height="300" />