diff --git a/public/popup.css b/public/popup.css
index bd828825..9ab4100e 100644
--- a/public/popup.css
+++ b/public/popup.css
@@ -37,7 +37,7 @@
  * Disable transition on all elements until the extension has loaded
  */
 
-.preload * {
+.sb-preload * {
   transition: none !important;
 }
 
diff --git a/public/popup.html b/public/popup.html
index abf2dba0..78001e86 100644
--- a/public/popup.html
+++ b/public/popup.html
@@ -9,7 +9,7 @@
   </head>
 
   <body id="sponsorBlockPopupBody">
-    <div id="sponsorblockPopup" class="sponsorBlockPageBody preload">
+    <div id="sponsorblockPopup" class="sponsorBlockPageBody sb-preload">
 
       <header class="sbPopupLogo">
         <img src="icons/IconSponsorBlocker256px.png" alt="SponsorBlock" width="40" height="40" id="sponsorBlockPopupLogo">
