body {
    background-color: #1f1f1f;
    color: #ffffff;
    font-family: 'Courier New', Tahoma, Geneva, Verdana, sans-serif;
    margin: 20px;
    padding: 20px;
  }

  h1, h2, h3 {
    color: #61dafb;
  }

  p {
    line-height: 1.5;
  }

  ol {
    list-style-type: none;
    padding: 0;
  }

  li {
    margin-bottom: 20px;
  }
  a {
    color: #61eefb;
  }
code {
            position: relative;
            display: inline-block;
            border: 1px solid #ddd;
            padding: 10px;
            border-radius: 10px;
        }

button {
            position: outline ;
            top: 5px;
            right: 5px;
            cursor: pointer;
            padding: 5px 10px;
            border: none;
            border-radius: 5px;
        }