From 6e9936531df445050e058cca7ec6f3b7c10b68cd Mon Sep 17 00:00:00 2001
From: binary-husky <qingxu.fu@outlook.com>
Date: Sun, 17 Dec 2023 19:45:37 +0800
Subject: [PATCH] fix theme shifting bug

---
 themes/theme.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/themes/theme.py b/themes/theme.py
index ca6ab3a17..5664f7377 100644
--- a/themes/theme.py
+++ b/themes/theme.py
@@ -70,15 +70,20 @@ def from_cookie_str(c):
 """
 
 js_code_for_css_changing = """(css) => {
+    var existingStyles = document.querySelectorAll("body > gradio-app > div > style")
+    for (var i = 0; i < existingStyles.length; i++) {
+        var style = existingStyles[i];
+        style.parentNode.removeChild(style);
+    }
     var existingStyles = document.querySelectorAll("style[data-loaded-css]");
     for (var i = 0; i < existingStyles.length; i++) {
         var style = existingStyles[i];
         style.parentNode.removeChild(style);
     }
     var styleElement = document.createElement('style');
-    styleElement.setAttribute('data-loaded-css', css);
+    styleElement.setAttribute('data-loaded-css', 'placeholder');
     styleElement.innerHTML = css;
-    document.head.appendChild(styleElement);
+    document.body.appendChild(styleElement);
 }
 """