<style>
.outermost {
border: 4px solid #000;
border-radius: 40px;
width: 200px;
height: 200px;
overflow: hidden;
}
</style>
<div class="outermost">
</div>
<style>
.outermost {
border: 4px solid #000;
border-radius: 40px;
width: 200px;
height: 200px;
overflow: hidden;
}
</style>
<div class="outermost">
</div>