@charset "UTF-8";

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

#main {
    background-color: #f00;
    width: 100px;
    height: 100px;
    position: absolute;
    left: 210px;
    top: 160px;
    border-radius: 50px;
    opacity: 1;
    transition: all 1s ease-in-out 0s;
}

#container:hover #main {
    transition: all 1s ease-in-out 0s;
    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(0, 200px)
}

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

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

#ball1,#ball2,#ball3,#ball4, #ball5, #ball6, #ball7,#ball8 {
    background-color: #00f;
    height: 20px;
    width: 20px;
    border-radius: 10px;
    position: absolute;
    left: 250px;
    top: 200px;
    transition: 0.5s;
}

#ball1 {
    transition-delay: 0.1s;
}

#ball2 {
    transition-delay: 0.15s;
}

#ball3 {
    transition-delay: 0.2s;
}

#ball4 {
    transition-delay: 0.25s;
}

#ball5 {
    transition-delay: 0.3s;
}

#ball6 {
    transition-delay: 0.35s;
}

#ball7 {
    transition-delay: 0.4s;
}

#ball8 {
    transition-delay: 0.45s;
}