diff --git a/ext/bg/search.html b/ext/bg/search.html
index 12b62797..6930830a 100644
--- a/ext/bg/search.html
+++ b/ext/bg/search.html
@@ -7,7 +7,7 @@
-
+
diff --git a/ext/fg/float.html b/ext/fg/float.html
index 01bc4250..2504f448 100644
--- a/ext/fg/float.html
+++ b/ext/fg/float.html
@@ -5,7 +5,7 @@
-
+
diff --git a/ext/mixed/css/display-dark.css b/ext/mixed/css/display-dark.css
index 75e42565..34a0ccd1 100644
--- a/ext/mixed/css/display-dark.css
+++ b/ext/mixed/css/display-dark.css
@@ -17,8 +17,7 @@
*/
-body,
-html.yomichan-float body { background-color: #1e1e1e; color: #d4d4d4; }
+body { background-color: #1e1e1e; color: #d4d4d4; }
hr { border-top-color: #2f2f2f; }
diff --git a/ext/mixed/css/display-default.css b/ext/mixed/css/display-default.css
index ce1008a8..176c5387 100644
--- a/ext/mixed/css/display-default.css
+++ b/ext/mixed/css/display-default.css
@@ -17,8 +17,7 @@
*/
-body,
-html.yomichan-float body { background-color: #ffffff; color: #333333; }
+body { background-color: #ffffff; color: #333333; }
hr { border-top-color: #eeeeee; }
diff --git a/ext/mixed/css/display.css b/ext/mixed/css/display.css
index d899e9fc..7ebad090 100644
--- a/ext/mixed/css/display.css
+++ b/ext/mixed/css/display.css
@@ -30,8 +30,8 @@
* General
*/
-html.yomichan-float,
-html.yomichan-float body {
+html.yomichan-float:not([data-yomichan-theme]),
+html.yomichan-float:not([data-yomichan-theme]) body {
background-color: transparent;
}