body {
  background-color: #c9d6ef;
}

.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 20px;
}

.text-block {
  width: 50%;
  text-align: justify;
  margin: auto;
  margin-top: 10px;
}

@media screen and (max-width: 800px) {
  .container {
    margin: 10px;
  }

  .text-block {
    font-size: 16px;
    width: 90%;
  }

  .img-responsive {
    width: 90%;
  }
}