.A3course {
  position: relative;
  border-radius: 10px;
  background-color: #fff;
  :global {
    .A3top {
      padding: 15px 24px;
      text-align: end;
    }
    .A3main {
      border-radius: 10px;
      overflow: hidden;
      height: calc(100% - 67px);
    }
    .A3tanBox {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      padding: 50px;
      background-color: rgba(0, 0, 0, 0.6);
      border-radius: 10px;
    }
  }
}
