Badge - Bootstrap-Vue

https://bootstrap-vue.github.io/docs/components/badge

HTML

<script src="https://unpkg.com/bootstrap-vue/dist/bootstrap-vue.js"></script>
<link rel="stylesheet" href="//unpkg.com/bootstrap@next/dist/css/bootstrap.min.css">
<link rel="stylesheet" href="//unpkg.com/tether@latest/dist/css/tether.min.css">
<link rel="stylesheet" href="//unpkg.com/bootstrap-vue@latest/dist/bootstrap-vue.css">
<script src="//unpkg.com/vue@latest/dist/vue.min.js"></script>
<script src="//unpkg.com/tether@latest/dist/js/tether.min.js"></script>
<script src="//unpkg.com/bootstrap-vue@latest/dist/bootstrap-vue.js"></script>
<div id="app">
   <b-alert :show="dismissCountDown"
             dismissible
             variant="warning"
             @dismissed="dismissCountdown=0"
             @dismiss-count-down="countDownChanged">
      <p>This alert will dismiss after {{dismissCountDown}} seconds...</p>
      <b-progress variant="warning"
                  :max="dismissSecs"
                  :value="dismissCountDown"
                  height="4px">
      </b-progress>
    </b-alert>
</div>

CSS

#app {
  padding: 20px;
  height: 500px;
}

JavaScript

new Vue({
  el: '#app'
})