diff --git a/include/admin/installer.inc.php b/include/admin/installer.inc.php
index 32671bee..c401010a 100644
--- a/include/admin/installer.inc.php
+++ b/include/admin/installer.inc.php
@@ -37,14 +37,14 @@ if (defined('S9Y_DATA_PATH')) {
 function serendipity_installerResultDiagnose($result, $s) {
     global $errorCount;
     if ( $result === S9Y_I_SUCCESS ) {
-        return '<span style="color: green; font-weight: bold">'. $s .'</span>';
+        return '<span class="serendipityAdminMsgSuccessInstall" style="color: green; font-weight: bold">'. $s .'</span>';
     }
     if ( $result === S9Y_I_WARNING ) {
-        return '<span style="color: orange; font-weight: bold">'. $s .' [?]</span>';
+        return '<span class="serendipityAdminMsgWarningInstall" style="color: orange; font-weight: bold">'. $s .' [?]</span>';
     }
     if ( $result === S9Y_I_ERROR ) {
         $errorCount++;
-        return '<span style="color: red; font-weight: bold">'. $s .' [!]</span>';
+        return '<span class="serendipityAdminMsgErrorInstall" style="color: red; font-weight: bold">'. $s .' [!]</span>';
     }
 }
 
diff --git a/include/admin/upgrader.inc.php b/include/admin/upgrader.inc.php
index fec7b055..8ecf8ff8 100644
--- a/include/admin/upgrader.inc.php
+++ b/include/admin/upgrader.inc.php
@@ -28,16 +28,16 @@ function serendipity_upgraderResultDiagnose($result, $s) {
     global $errorCount;
 
     if ( $result === S9Y_U_SUCCESS ) {
-        return '<span style="color: green; font-weight: bold">'. $s .'</span>';
+        return '<span class="serendipityAdminMsgSuccessInstall" style="color: green; font-weight: bold">'. $s .'</span>';
     }
 
     if ( $result === S9Y_U_WARNING ) {
-        return '<span style="color: orange; font-weight: bold">'. $s .'</span>';
+        return '<span class="serendipityAdminMsgWarningInstall" style="color: orange; font-weight: bold">'. $s .'</span>';
     }
 
     if ( $result === S9Y_U_ERROR ) {
         $errorCount++;
-        return '<span style="color: red; font-weight: bold">'. $s .'</span>';
+        return '<span class="serendipityAdminMsgErrorInstall" style="color: red; font-weight: bold">'. $s .'</span>';
     }
 }
 
diff --git a/templates/bulletproof/admin/style.css b/templates/bulletproof/admin/style.css
index 65e194d7..e886a427 100644
--- a/templates/bulletproof/admin/style.css
+++ b/templates/bulletproof/admin/style.css
@@ -385,6 +385,24 @@ ul.serendipitySideBarMenuMain .serendipitySideBarMenuFoot {
     font-size: 100%;
 }
 
+/* installation and upgrade admin messages */
+/* defined here due to this template's styling of all other spans */
+/* these classes are available in s9y v1.3.2 and above */
+.serendipityAdminContent span.serendipityAdminMsgSuccessInstall {
+    color: green !important;
+    font-weight: bold !important;
+}
+
+.serendipityAdminContent span.serendipityAdminMsgWarningInstall {
+    color: orange !important;
+    font-weight: bold !important;
+}
+
+.serendipityAdminContent span.serendipityAdminMsgErrorInstall{
+    color: red !important;
+    font-weight: bold !important;
+}
+
 /* Pending comments in the admins comment list */
 .serendipity_admin_comment_pending {
     border: 2px solid #FF0000;
diff --git a/templates/bulletproof/admin/style_fluid.css b/templates/bulletproof/admin/style_fluid.css
index 98086968..7239cc80 100644
--- a/templates/bulletproof/admin/style_fluid.css
+++ b/templates/bulletproof/admin/style_fluid.css
@@ -388,6 +388,24 @@ ul.serendipitySideBarMenuMain .serendipitySideBarMenuFoot {
     font-size: 100%;
 }
 
+/* installation and upgrade admin messages */
+/* defined here due to this template's styling of all other spans */
+/* these classes are available in s9y v1.3.2 and above */
+.serendipityAdminContent span.serendipityAdminMsgSuccessInstall {
+    color: green !important;
+    font-weight: bold !important;
+}
+
+.serendipityAdminContent span.serendipityAdminMsgWarningInstall {
+    color: orange !important;
+    font-weight: bold !important;
+}
+
+.serendipityAdminContent span.serendipityAdminMsgErrorInstall{
+    color: red !important;
+    font-weight: bold !important;
+}
+
 /* Pending comments in the admins comment list */
 .serendipity_admin_comment_pending {
     border: 2px solid #FF0000;