CSS Battle - #3 Push Button

HTML

<div class="wide-box">
    <div class="circular-outer"></div>
    <div class="circular-inner"></div>
</div>

CSS

  body {
    background: #6592CF;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .wide-box {
    width: 78%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #243D83;
    z-index: -1;
    overflow: hidden;

    position: relative;
  }

  .circular-outer {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: #6592CF;

    position: absolute;
  }

  .circular-inner {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: #243D83;

    position: relative;
    overflow: hidden;
  }

  .circular-inner::after {
    position: absolute;
    content: '';
    width: 50px;
    height: 50px;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    background: #EEB850;
    border-radius: 50%;
    z-index: 1;

    display: flex;
    align-items: center;
    justify-content: center;
  }