html, body {
  maring: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 500px;
  height: 500px;
  overflow: hidden;
  font-size: 0;
  line-height: 0;
}

.container img {
  width: 100%;
  display: block;
}