Heading 9

HTML

<div class="demo demo9">
  <div class="heading"><span>毎朝ちゃんと飲むUX</span></div>
</div>

CSS

.demo {
  width: 500px;
  margin: 0 auto;
  padding: 10px 0;
  font-family: sans-serif;
  font-size: 20px;
  color:#3cb3e4;
}
.heading {
  margin: 10px 0
}
.demo9 .heading {
  border-top: 2px solid #3cb3e4;
  border-bottom: 2px solid #3cb3e4;
  padding: 5px 20px;
  position: relative;
  width: 300px;
  text-align: center;
  margin: 30px auto;
  color: #3cb3e4;
  font-weight: bold;
}
.demo9 .heading:before {
  content: "";
  border-left: 3px solid #3cb3e4;
  border-right: 3px solid #3cb3e4;
  display: block;
  position: absolute;
  width: calc(100% - 20px);
  height: 58px;
  top: -8px;
  left: 15px;
}