<div class="a">
<div class="b"></div>
<div class="c">
<div class="d"></div>
<div class="d"></div>
<div class="d"></div>
</div>
</div>
.a{
width: 300px;
height: 320px;
flex-direction: column;
display: flex;
justify-content: space-between;
}
.b{
width: 300px;
height: 200px;
background: #ccc;
}
.c{
display: flex;
justify-content: space-between;
}
.d{
width: 90px;
height: 100px;
background: #ccc;
}