* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.message {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  width: 400px;
  height: 400px;
  opacity: 1;
  transition: opacity 0.5s ease;
}
.big-box {
  width: 400px;
  height: 400px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.box {
  width: 50%;
  height: 50%;
  position: absolute;
  transition: transform 0.5s ease;
}
.box1 {
  background-color: steelblue;
  position: absolute;
  top: 0;
  left: 0;
}
.box2 {
  background-color: dimgray;
  position: absolute;
  top: 0;
  right: 0;
}
.box3 {
  background-color: rosybrown;
  position: absolute;
  bottom: 0;
  right: 0;
}
.box4 {
  background-color: yellow;
  position: absolute;
  bottom: 0;
  left: 0;
}
.big-box:hover .box1,
.big-box:hover .box4 {
  transform: translateX(-100%) rotate(90deg);
}

.big-box:hover .box2,
.big-box:hover .box3 {
  transform: translateX(100%) rotate(90deg);
}