body {
    background-color: rgb(193, 219, 227);
    font-family: 'Courier New', Courier, monospace;
    text-align: center;
  }
  
  h1 {
    color: rgb(2, 2, 60);
    text-align: center;
  }

  tr:nth-child(even) {
  background-color: #dddddd90;
  }

  tr:hover {
  background-color: #a02b2b35;
  }

  p {
    color: rgb(3, 3, 25);
    text-align: center;
  }

  ul {
    margin: 0 auto 0 auto;
    padding: 10px;
    width: 230px;
    display: block;
    background-color: azure;
    list-style-type: none;
    text-align: center;
  }

  img {
    width: 55%;
    height: 80vh;
    margin-top: 10px;
  }

  table, tr, td, th {
    border: 2px solid;
    margin: 40px auto;
    border-collapse: collapse;
    padding: 8px 12px;
  }

  #description_table {
    border: none;
    background-color: transparent;
    padding: 5px 10px;
  }

  .btn_size {
    width: 70px;
    height: 28px;
  }