body {
  background: white;
}

.content {
  text-align: center;
}
.btn {
  background: transparent;
  border: none;
  background-color: red;
  color: white;
  padding: 10px 20px;
  cursor: pointer;
}

.cats {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}
.random-cats {
  width: 40%;
}
img {
  max-width: 40%;
  max-height: 60%;
}