diff --git a/resources/views/vendor/mail/html/header.blade.php b/resources/views/vendor/mail/html/header.blade.php
index 8968fa0..aaf6f00 100644
--- a/resources/views/vendor/mail/html/header.blade.php
+++ b/resources/views/vendor/mail/html/header.blade.php
@@ -2,11 +2,11 @@
 <tr>
     <td class="header">
         <a href="{{ $url }}" style="display: inline-block;">
-            <table class="panel" width="100%" cellpadding="0" cellspacing="0">
+            <table class="center" cellpadding="0" cellspacing="0">
                 <tr>
                     <td>
                         <svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24"
-                            fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"
+                            fill="none" stroke="#000" stroke-width="2" stroke-linecap="round"
                             stroke-linejoin="round" class="lucide lucide-drafting-compass-icon lucide-drafting-compass">
                             <path d="m12.99 6.74 1.93 3.44" />
                             <path d="M19.136 12a10 10 0 0 1-14.271 0" />
@@ -19,11 +19,11 @@
                         <table width="100%" cellpadding="0" cellspacing="0">
                             <tr>
                                 <td>
-                                    <h1>nutzwerte.at</h1>
+                                    <h1 class="black">nutzwerte.at</h1>
                                 </td>
                             </tr>
                             <tr>
-                                <td>Software für Architekten</td>
+                                <td class="black">Software für Architekten</td>
                             </tr>
                         </table>
                     </td>
diff --git a/resources/views/vendor/mail/html/themes/default.css b/resources/views/vendor/mail/html/themes/default.css
index e37365e..ebf373e 100644
--- a/resources/views/vendor/mail/html/themes/default.css
+++ b/resources/views/vendor/mail/html/themes/default.css
@@ -27,6 +27,14 @@ blockquote {
     text-align: left;
 }
 
+.black {
+    color: #000;
+}
+
+.center {
+    margin: auto;
+}
+
 a {
     color: #3869d4;
 }