grey out readonly fields.

clj/clarity/cljs/clarity.cljs

  (om/component
   (dom/input (clj->js
                (into {:value (str value)
                       :readOnly ""}
                       :readOnly "readOnly"}
                  (cond
                    (instance? js/Boolean value) {:type "checkbox", :checked value}
                    (number? value) {:type "number"}

clj/clarity/map-typed.html

		display: block;
		margin: 0.5em 1em;
	}
    input[readonly] {
        background-color: #ddd;
    }
	</style>
</head>