body {
  background-color: #333;
  color: #fff;
  font-family: 'Roboto', sans-serif;
}

main h2 {
  font-size: 2em;
  margin: 0 0 20px;
}

main p {
  font-size: 1.2em;
  line-height: 1.5;
  margin: 0;
}

.box {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  width: 1000px;
  height: 540px;
  border: 2px solid orange;
  border-radius: 10px;
}
.box div {
  width: 500px;
  padding: 15px;
  text-align: center;
  color: #fff;
  font-family: arial, sans-serif;
}

  /* Style the two columns */
  .column {
    float: left;
    width: 49%;
  }

  /* Add a media query to change the layout on small screens */
  @media screen and (max-width: 1200px) {
    .column {
      width: 100%;
    }
  }

img {
    width: 100%;
    height: auto;
}

button {
  background-color: #333;
  color: #fff;
  border: none;
  padding: 30px;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  display: block;
  margin: 0 auto;
  text-align: center;
  width: 100%;
}

footer {
  text-align: center;
}

button:hover {
  background-color: #444;
}

button:active {
  background-color: #222;
}

#plot {
  margin-top: 20px;
  margin-right: 50px;
  margin-bottom: 20px;
  margin-left: 50px;
}

#links {
  color: orange;
  background-color: transparent;
  text-decoration: none;
}

.container {
  margin-top: 20px;
  margin-right: 50px;
  margin-bottom: 20px;
  margin-left: 50px;
}