Lamp

<div></div>
<style>
  body {
    background: #e38f66;
    display: grid;
    place-content: center;
    position: relative;
    height: 300px;
    width: 400px;
    margin: 0;
  }
  div {
    width: 62px;
    background: #fffbda;
    border-bottom: 120px solid #fffbda;
    border-left: 32.5px solid #e38f66;
    border-right: 32.5px solid #e38f66;
  }

  div::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    translate: -50% 0;
    height: 90px;
    width: 10px;
    background: #62306d;
  }
</style>