body {
  font-family: 'Arial', sans-serif;
  background-color: #1f1f1f;
  color: #ffffff;
  margin: 0;
  padding: 0;
}

.content {
  max-width: 768px;
  margin: 0 auto;
  padding: 0;
  background-color: #1f1f1f;
}

img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0;
  padding: 0;
}

.content img:first-of-type {
  margin-top: 40px;
}