Eye of the Tiger

<div class="outer">
  <div class="inner"></div>
</div>
<style>
  body {
    background: #0b2429;
    display: grid;
    place-content: center;
  }
  .outer {
    height: 200px;
    width: 200px;
    background: #998235;
    border-radius: 50% 0 50%;
    rotate: 45deg;
    display: grid;
    place-content: center;
  }
  .inner {
    width: 50px;
    height: 50px;
    background: #0b2429;
    border-radius: 50%;
    border: 45px solid #f3ac3c;
    box-shadow: 0 0 0 20px #0b2429;
  }
</style>