JSFiddle - React, Tailwind, and code Playground

by David Sch

HTML

<html>

  <head>

  </head>

  <body>



    <div class="banner well notice bg-green">


      Close this banner  <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
    </div>
  
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
    <script>
$('.close').on("click", function() {
  $(this).parents('div').fadeOut();
});
    </script>
  </body>

</html>

CSS

.banner {
  overflow: hidden;
  background-color: #333;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100px;
  opacity: 0.6;
  color: #ffffff;
  text-align: center;
  font-family: 'Varela Round', sans-serif;
  font-size: 13px;
  padding-top: 5px;
}

.close {
  color: #fff;
  filter: alpha(opacity=20);
  font-size: 20px;
  font-weight: bold;
  line-height: 1;
  opacity: .8;
}

.close:hover,
.close:focus {
  color: #fff;
  cursor: pointer;
  filter: alpha(opacity=50);
  opacity: 1;
  text-decoration: none;
}

button.close {
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0;
  -webkit-appearance: none;
  -moz-appearance: none;
}