Add 2FA support

static/pywallter.css

@@ -16,6 +16,10 @@ body
     visibility: hidden;
 }
 
+.hidden{
+    visibility: hidden;
+}
+
 header {
     grid-area: header; 
 }
@@ -38,7 +42,15 @@ main > nav
     margin-bottom: 4vw;
 }
 
+/*Color text */
 
+.alert {
+    color: var(--pico-color-red-500);
+}
+
+.success {
+    color: var(--pico-color-green-500);
+}
 
 @media only screen and (max-width: 600px) 
 {
@@ -167,6 +179,12 @@ footer
     color: var(--pico-color-red-50);
 }
 
+.btn-alert {
+    background-color: var(--pico-color-red-550);
+    color: var(--pico-color-red-50);
+}
+
+
 article {
     text-align: center;
 }