body {
  font-family: Helvetica, Arial, sans-serif;
  line-height: 1.5em;
}

.text-content {
  width: 900px;
  margin: auto;
  box-sizing: border-box;
  padding: 20px 0;
}

img {
  display: block;
  width: 900px;
  margin: auto;
  margin-top: 50px;
}