Timeout warning modal

HTML

<meta name="hmrc-timeout-dialog"
  content="hmrc-timeout-dialog"
  data-language="en"
  data-timeout="70"
  data-countdown="68"
  data-keep-alive-url="#"
  data-sign-out-url="#"
  data-timeout-url=""
  data-title="Your application will be closed soon"
  data-message="We will close your application if you do not do anything in the next"
  data-message-suffix="Your answers will be deleted. This is to protect your information."
  data-keep-alive-button-text="Continue"
  data-sign-out-button-text=""
  data-synchronise-tabs=""
  data-hide-sign-out-button="true" />