<div class="content">
      <div class="line"></div>
      <div class="txt">文字内容</div>
      <div class="line"></div>
  </div>

　　

.content {
  display: flex;
  align-items: center;
  justify-content: center;

  .txt {
    margin: 0 10px;
    vertical-align: -8%;
  }

  .line {
    width: 100px;
    border-top: 1px solid #ccc;
  }
}