Using content attr of psuedo elements dynamically

dynamic-attr-content

<!-- first create a div element -->
<div class="myClass" data-text="put the message here"><!-- You can call the data attr using content attr in css -->
</div>

style

/* call you class name here */
.myClass {
  border-top: 1px solid #e1e1e1;
  height: 1px;
  display: block;
  margin: 15px 0;
  position: relative;
  text-align: center;
}

/* now create the psuedo element of your class so that we can call the data attr here */

.myClass:after {
  content: attr(data-text);/* call the data-text attr here */
  color: #c0c0c0;
  padding: 10px;
  background: #f0f6f6;
  display: inline-block;
  position: relative;
  top: -20px;
}