AMBARI-3624. Make text area for SSH key code font on Install / Add Hosts. (Jeff Sposetti via yusaku)

ambari-web/app/styles/application.less

@@ -351,6 +351,11 @@ h1 {
     .ssh-key-input-indentation {
       margin-bottom: 5px;
     }
+    #sshKey {
+      color: #000000;
+      font-family: "Courier New","courier";
+      font-size: 0.9em;
+    }
     input[type="radio"]:focus {
       outline: none;
     }