failure.tpl

<apply template="/templates/filters/callout/_base">
  <bind tag="color">#E93147</bind>
  <bind tag="icon">
    <line x1="18" y1="6" x2="6" y2="18"></line>
    <line x1="6" y1="6" x2="18" y2="18"></line>
  </bind>
</apply>