Как сделать внутреннюю тень у блока?

div {
  background-color: #333;
  width: 300px;
  height: 170px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #eee;
  font-size: 42px;
  font-weight: 700;
  box-shadow: inset 0 0 40px 80px #fff;
  box-sizing: border-box;
  padding: 12px;
  background-clip: content-box;
  text-shadow: 0 0 3px #000;
}

<div>SOME TEXT</div>

body {
  margin: 0;
  padding: 0;
  display: flex;
  width: 100%;
  height: 100vh;
  align-items: center;
  justify-content: center;
}
.container {
  height: 100px;
}
.number {
  position: relative;
  float: left;
  padding: 10px;
  font-size: 100px;
  font-family: fantasy;
  line-height: 100px;
  border: 8px dashed #e2ab46;
  border-radius: 300px;
  color: white;
  font-family: fantasy;
}
.name {
  position: relative;
  float: left;
  margin-left: 20px;
  font-size: 20px;
  line-height: 2;
  border-bottom: 8px dashed #e2ab46;
  color: white;
  font-family: monospace;
  font-weight: bold;
}
.name span {
  display: block;
  font-size: 57px;
  line-height: 1.3;
}
.number:after {
  content: "";
  display: block;
  width: 0px;
  height: 0px;
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -1;
  box-shadow: 0px 0px 80px 40px rgba(0, 0, 0, 0.5);
}
.name:after {
  content: "";
  display: block;
  width: 100%;
  height: 0px;
  position: absolute;
  top: 50%;
  left: 0%;
  z-index: -1;
  box-shadow: 0px 0px 60px 30px rgba(0, 0, 0, 0.6);
}

<div class="container">
  <div class="number"><span>13</span></div>
  <div class="name">
    <span>УРОВЕНЬ</span>до следующего уровня
  </div>
</div>