SOURCE

<p>你好<span>2</span></p>

<div>An11111111111111111111111111111111111111111111111111111 <img src="https://mdn.mozillademos.org/files/12245/frame_image.svg" alt="link" width="32" height="32" /> image with a default alignment.</div>
<div>An <img class="top" src="https://mdn.mozillademos.org/files/12245/frame_image.svg" alt="link" width="32" height="32" /> image with a text-top alignment.</div> 
<div>An <img class="bottom" src="https://mdn.mozillademos.org/files/12245/frame_image.svg" alt="link" width="32" height="32" /> image with a text-bottom alignment.</div>
<div>An <img class="middle" src="https://mdn.mozillademos.org/files/12245/frame_image.svg" alt="link" width="32" height="32" /> image with a middle alignment.</div>

<table>
  <tr>
    <td>
      I'm vertically centered multiple lines of text in a real table cell.
    </td>
  </tr>
</table>

<div class="center-table">
  <p>I'm vertically centered multiple lines of text in a CSS-created table layout.</p>
</div>

p{
	border: 1px solid red;
}
span {
	border:1px solid blue;
	
}

span {
	vertical-align: middle;
}
div{
	border: 1px solid red;
	width:300px;
}
img.top { vertical-align: text-top; } 
img.bottom { vertical-align: text-bottom; } 
img.middle { vertical-align: middle; }
body {
  background: #f06d06;
  font-size: 80%;
}

table {
  background: white;
  width: 240px;
  border-collapse: separate;
  margin: 20px;
  height: 250px;
}

table td {
  background: black;
  color: white;
  padding: 20px;
  border: 10px solid white;
  /* default is vertical-align: middle; */
}

.center-table {
  display: table;
  height: 250px;
  background: white;
  width: 240px;
  margin: 20px;
}
.center-table p {
  display: table-cell;
  margin: 0;
  background: black;
  color: white;
  padding: 20px;
  border: 10px solid white;
  vertical-align: middle;
}