body {
    background-color: #171a1e;
}

.img-responsive {
  display: block;
  max-width: 100%;
  margin: 0px auto 50px auto;
  box-sizing: border-box;
  padding: 10px;
}

.buttonRow {
  margin: 0px auto 25 auto;
  box-sizing: border-box;
}

.button {
  display: inline-block;
  width: 25%;
  border-radius: 8px;
  background-color: #008CBA;
  color: white;
  padding: 20px 32px;
  text-align: center;
  text-decoration: none;
  font-size: 18px;
  margin: 5px;
}