diff --git a/public/index.html b/public/index.html
index 2937798..08eed7d 100644
--- a/public/index.html
+++ b/public/index.html
@@ -232,7 +232,7 @@
             <header class="row-reverse">
                 <a href="#" class="close icon-button">
                     <svg class="icon">
-                        <use xlink:href="#close" />
+                        <use xlink:href="#close-icon" />
                     </svg>
                 </a>
             </header>
@@ -283,7 +283,7 @@
         <symbol id=info-outline viewBox="0 0 24 24">
             <path d="M11 17h2v-6h-2v6zm1-15C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zM11 9h2V7h-2v2z"></path>
         </symbol>
-        <symbol id=close viewBox="0 0 24 24">
+        <symbol id=close-icon viewBox="0 0 24 24">
             <path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"></path>
         </symbol>
         <symbol id=help-outline viewBox="0 0 24 24">
diff --git a/public_included_ws_fallback/index.html b/public_included_ws_fallback/index.html
index 150dff8..534d06d 100644
--- a/public_included_ws_fallback/index.html
+++ b/public_included_ws_fallback/index.html
@@ -235,7 +235,7 @@
             <header class="row-reverse">
                 <a href="#" class="close icon-button">
                     <svg class="icon">
-                        <use xlink:href="#close" />
+                        <use xlink:href="#close-icon" />
                     </svg>
                 </a>
             </header>
@@ -286,7 +286,7 @@
         <symbol id=info-outline viewBox="0 0 24 24">
             <path d="M11 17h2v-6h-2v6zm1-15C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zM11 9h2V7h-2v2z"></path>
         </symbol>
-        <symbol id=close viewBox="0 0 24 24">
+        <symbol id=close-icon viewBox="0 0 24 24">
             <path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"></path>
         </symbol>
         <symbol id=help-outline viewBox="0 0 24 24">