* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
}

.image-container {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.image-container picture,
.image-container img {
  width: 100%;
  height: 100%;
  display: block;
}

.image-container img {
  object-fit: cover;
  object-position: center;
}