diff --git a/web/templates/login.html b/web/templates/login.html
index c95b9b580..5cb790af8 100644
--- a/web/templates/login.html
+++ b/web/templates/login.html
@@ -101,6 +101,7 @@
             }
 
             .login-button {
+                filter:chroma(color=#000000);
                 padding: 4px;
                 margin: 0 6px 0 0;
                 cursor: pointer;
diff --git a/web/templates/reset_1.html b/web/templates/reset_1.html
index e1f0c42db..652c972cd 100644
--- a/web/templates/reset_1.html
+++ b/web/templates/reset_1.html
@@ -101,6 +101,7 @@
             }
 
             .login-button {
+                filter:chroma(color=#000000);
                 padding: 4px;
                 margin: 0 6px 0 0;
                 cursor: pointer;
diff --git a/web/templates/reset_2.html b/web/templates/reset_2.html
index 867b4cce2..fa844ecbb 100644
--- a/web/templates/reset_2.html
+++ b/web/templates/reset_2.html
@@ -101,6 +101,7 @@
             }
 
             .login-button {
+                filter:chroma(color=#000000);
                 padding: 4px;
                 margin: 0 6px 0 0;
                 cursor: pointer;
diff --git a/web/templates/reset_3.html b/web/templates/reset_3.html
index 8081730c5..56b3b6228 100644
--- a/web/templates/reset_3.html
+++ b/web/templates/reset_3.html
@@ -101,6 +101,7 @@
             }
 
             .login-button {
+                filter:chroma(color=#000000);
                 padding: 4px;
                 margin: 0 6px 0 0;
                 cursor: pointer;