.card {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    max-width: 80%;
    margin: auto;
    text-align: center;
    padding: 1em;
  }
  
  .close {
    font-size: 1.5em;
    float: right;
    cursor: pointer;
  }