<div class="box">
<div class="portion"></div>
<div class="portion""></div>
<div class="portion"></div>
<div class="portion"></div>
<div class="portion""></div>
<div class="portion"></div>
</div>
<style>
body {
margin: 0px;
background: #62306D;
display: grid;
place-content: center
}
.box {
display: flex;
width: 300px;
flex-wrap: wrap;
}
.portion{
width: 100px;
height: 100px;
border-top-left-radius: 50px;
border-top-right-radius: 50px;
background-color: #F7EC7D;
}
.portion:nth-child(n+4){
transform: rotate(180deg)
}
.portion:nth-child(odd){
background: #62306D;
}
</style>