.mystery-box {
    /* width: 200px;
    height: 200px; */
    background-color: #fffbfb;
    display: inline-block;
    margin: 20px;
    cursor: pointer;
  }
 
  
  .container{
      margin: auto;
      width: 100%;
      display: flex;
      justify-content: center;
      align-items: center;
  }
  
  .modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
    text-align: center;
  }
  
  .modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 30%;
  }
  
  .close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
  }
  
  .close:hover,
  .close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
  }

  .backdiv {
    display: flex;
    justify-content: end;
    margin: 50px;
  }

  .backBtn {
    background-color: black;
    color: white;
    padding: 5px;
    border: 2px solid black;
    border-radius: 5px;
    font-size: medium;
  }
  button {
    cursor: pointer;
  }

  .head{
    /* align-items: center; */
    display: flex;
    justify-content: center;
  }