body {
    font-family: Arial, sans-serif;
    text-align: center;
    background: #f0f0f0;
  }
  h1 {
    margin-top: 20px;
  }
  #array-container {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    height: 400px;
    margin: 20px auto;
    width: 90%;
    border: 2px solid #333;
    background: white;
  }
  .bar {
    width: 20px;
    margin: 2px;
    background-color: teal;
  }
  button, select {
    padding: 10px 15px;
    margin: 10px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    background-color: teal;
    color: white;
    cursor: pointer;
  }
  button:hover {
    background-color: darkcyan;
  }
  select {
    background-color: white;
    color: teal;
    border: 1px solid teal;
  }