anchor.diff:                              </c:choose>
                               <div class="form-group ${foregroundOnError}">
                                   <fieldset>
  -                                    <legend><fmt:message key="form.foregroundColor"/></legend>
  +                                    <div class="legend-wrapper"><legend><fmt:message key="form.foregroundColor"/></legend></div>
  +                                    <div id="foreground-sample" class="color-sample sample-bordered">
  +                                        <span id="foreground-sample-invalid" class="invalid-color"><fmt:message key="form.invalidColor"/></span>
  +                                    </div>   
                                       <span class="help-block"><fmt:message key="form.rgbHelp"/></span>
                                       <label>
                                           <fmt:message key="form.red"/><input id="foreground-red" class="form-control" type="number" min="0" max="255" aria-describedby="foreground-sample-invalid">
  
positive.code:                             </c:choose>
                              <div class="form-group ${backgroundOnError}">
                                  <fieldset>
                                      <legend><fmt:message key="form.backgroundColor"/></legend>
                                      <span class="help-block"><fmt:message key="form.rgbHelp"/></span>
                                      <label>
                                          <fmt:message key="form.red"/><input id="background-red" class="form-control" type="number" min="0" max="255" aria-describedby="background-sample-invalid">
  
negative.code:                                         <fmt:message key="form.hexadecimal"/><form:input id="background-input" path="background" type="text" class="form-control" aria-describedby="help-block-background background-sample-invalid"/>
                                      </label>
                                  </fieldset>
                              </div>
                              <c:set var="ratioOnError">
                                  <form:errors path="ratio"/>
  