div中img如何垂直居中？

Question

<div>
        <img src="images/t1.jpg">
        <img class="jt" src="images/箭头.png" title="下一张">   
</div>

我想让图中右边的箭头垂直居中，怎么办？

Answer 1

        .div{
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }