html
<div class="flex">
<div class="l_flex">
<div class="item"></div>
</div>
<div class="r_flex">
<div class="item"></div>
</div>
</div>
css
.flex {
background-color: rgb(224, 224, 224);
display: flex;
flex-wrap: wrap;
justify-content: space-between;
padding: 12px 12px 0;
}
.flex .l_flex {
display: flex;
flex-direction: column;
width: 48%;
}
.flex .r_flex {
display: flex;
flex-direction: column;
width: 48%;
}
.flex .item {
width: 100%;
height: auto;
border-radius: 10px;
overflow: hidden;
background-color: white;
margin-bottom: 10px;
}
