/* CSS */

#container {
  border: 1px solid #aaa;
  height: 400px;
  width: 500px;
  margin: 0px auto;
  padding: 10px;
  position: relative;
}

#main {
  background-color: #f00;
  width: 100px;
  height: 100px;
  position: absolute;
  left: 210px;
  top: 160px;
  border-radius: 50%;
  transition: all 2s ease-in-out 0s;
}

#ball1, #ball2, #ball3, #ball4,
#ball5, #ball6, #ball7, #ball8 {
  background-color: blue;
  height: 20px;
  width: 20px;
  border-radius: 50%;
  position: absolute;
  top: 200px;
  left: 250px;
  transition: all 2s ease-in-out 0s;
}

#ball1 {
  transition-delay: 0.1s;
}

#ball2 {
  transition-delay: 0.2s;
}

#ball3 {
  transition-delay: 0.3s;
}

#ball4 {
  transition-delay: 0.4s;
}

#ball5 {
  transition-delay: 0.5s;
}

#ball6 {
  transition-delay: 0.6s;
}

#ball7 {
  transition-delay: 0.7s;
}

#ball8 {
  transition-delay: 0.8s;
}

#container:hover #main {
  opacity: 0;
}

#container:hover #ball1 {
  transform: translate(-250px, 200px);
}

#container:hover #ball2 {
  transform: translate(0, -200px);
}

#container:hover #ball3 {
  transform: translate(250px, -200px);
}

#container:hover #ball4 {
  transform: translate(250px, 0px);
}

#container:hover #ball5 {
  transform: translate(250px, 200px);
}

#container:hover #ball6 {
  transform: translate(0px, 200px);
}

#container:hover #ball7 {
  transform: translate(-250px, -200px);
}

#container:hover #ball8 {
  transform: translate(-250px, 0px);
}