<body>
<div class="grid">
<div class="box">
<div class="circle-outer">
<div class="circle-inner"></div>
</div>
</div>
<div class="box">
<div class="circle-outer c2">
<div class="circle-inner"></div>
</div>
</div>
</div>
</body>
<style>
body {
align-items: center;
margin: 0;
display: flex;
justify-content: center;
height: 100%;
background: #FADE8B;
}
.grid {
display: grid;
grid-template-columns: 1fr 1fr;
}
.box {
width: 7.5rem;
height: 7.5rem;
overflow: hidden;
position: relative;
}
.circle-outer {
background: #222222;
height: 200%;
width: 200%;
border-radius: 50%;
display: flex;
justify-content: center;
align-items: center;
position: absolute;
}
.circle-inner {
background: #FADE8B;
height: 50%;
width: 50%;
border-radius: 50%;
}
.c2 {bottom: 0; right: 0;}
</style>