body {
  font-family: sans-serif;
  text-align: center;
  h1 {
    color: red;
  }
}

button {
  color: blue;
  position: relative;
  width: 25px;
  height: 25px;
  top: 10px;
}

.image-container {
  display: flex;
  flex-wrap: wrap;
}

.single-container {
  width: 682px;
  height: 394px;
}

.image {
  width: 672px;
  height: 384px;
  background-size: cover;
  border: solid 0px lightgrey;
  display: flex;
  transition: width 0.1s linear;
}

.image:hover {
  width: 680;
}