diff --git a/examples/html/style.css b/examples/html/style.css
index 7177b8c8ba..0aedc43480 100644
--- a/examples/html/style.css
+++ b/examples/html/style.css
@@ -189,6 +189,11 @@ input, textarea {
     font-size: 7.5pt;
 }
 
+input:disabled, textarea:disabled {
+    background-color: rgb(102, 102, 102);
+    color: rgb(160, 160, 160);
+}
+
 #properties-list input[type=button] {
     cursor: pointer;
     background-color: rgb(51, 102, 102);
@@ -199,6 +204,11 @@ input, textarea {
     color: rgb(204, 204, 204);
 }
 
+#properties-list input[type=button]:disabled {
+    background-color: rgb(41, 82, 82);
+    color: rgb(160, 160, 160);
+}
+
 #properties-list .property {
     padding: 6pt 6pt;
     border-top: 0.75pt solid rgb(63, 63, 63);