diff --git a/resources/views/vendor/mail/html/themes/default.css b/resources/views/vendor/mail/html/themes/default.css
index 3ad5b6e..a39f02d 100644
--- a/resources/views/vendor/mail/html/themes/default.css
+++ b/resources/views/vendor/mail/html/themes/default.css
@@ -27,29 +27,6 @@ blockquote {
     text-align: left;
 }
 
-.black {
-    color: #000;
-}
-
-.center {
-    margin: auto;
-}
-
-.nutzwerte {
-    font-size: 24px;
-    line-height: 26px;
-    font-weight: 600;
-    letter-spacing: -0.05em;
-    color: #000;
-    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.05);
-}
-
-.software {
-    font-size: 12px;
-    color: #000;
-    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.05);
-}
-
 a {
     color: #3869d4;
 }
@@ -123,6 +100,7 @@ img {
 .header {
     padding: 25px 0;
     text-align: center;
+    background-color: #fff;
 }
 
 .header a {