made the placeholder text a little lighter

public/css/search.css

@@ -147,3 +147,15 @@ body {
  .linesearch {
     display: flex; /* equal height of the children */
   }
+  ::placeholder { /* Chrome, Firefox, Opera, Safari 10.1+ */
+    color: rgb(189, 189, 189);
+    opacity: 1; /* Firefox */
+  }
+  
+  :-ms-input-placeholder { /* Internet Explorer 10-11 */
+    color: rgb(189, 189, 189);
+  }
+  
+  ::-ms-input-placeholder { /* Microsoft Edge */
+    color: rgb(189, 189, 189);
+  }
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