<div class="retangle">
<div class="half-circle"></div>
<div class="half-circle"></div>
<div class="half-circle"></div>
</div>
<style>
body {
margin: 0px;
display: flex;
place-content: center;
align-items: center;
background: #F5D6B4;
}
.retangle {
background: #F5D6B4;
display: flex;
height: 100px;
position: relative;
align-items: flex-end;
}
.half-circle {
width: 60px;
height: 30px;
background: #F5D6B4;
border: 20px solid #D86F45;
border-radius: 0px 0px 50px 50px;
border-top: 0;
position: relative;
left: 20px;
}
.half-circle::after {
content: "";
display: block;
width: 20px;
height: 20px;
border-radius: 20px;
position: absolute;
top: -10px;
left: -20px;
background: #D86F45;
}
.half-circle:nth-child(3)::after{
left: initial;
right: -20px;
}
.half-circle:nth-child(2){
transform: rotate(180deg);
align-self: flex-start;
left: initial;
}
.half-circle:nth-child(3) {
left: initial;
right: 20px;
}
</style>