.b-ball_bounce {
  animation: move 2s linear alternate infinite;
}
 @keyframes move {
    0% {
        transform: translate3d(0, 0, 0);
    }
    25% {
        transform: translate3d(10px, 10px, 10px);
    }
    50% {
        transform: translate3d(-10px, -10px, -10px);
    }

}


.b-ball_bounce1 {
  animation: movee 3s linear alternate infinite;
}
 @keyframes movee {
    0% {
        transform: translate3d(0, 0, 0);
    }
    25% {
        transform: translate3d(-7px, 15px, 10px);
    }
    50% {
        transform: translate3d(7px, 9px, -16px);
    }

}

.b-ball_bounce2 {
  animation: moveee 5s linear alternate infinite;
}
 @keyframes moveee {
    0% {
        transform: translate3d(0, 0, 0);
    }
    25% {
        transform: translate3d(5px, -6px, 10px);
    }
    75% {
        transform: translate3d(14px, 5px, -16px);
    }

}

.b-ball_bounce3 {
  animation: moveeee 7s linear alternate infinite;
}
 @keyframes moveeee {
    0% {
        transform: translate3d(0, 0, 0);
    }
    25% {
        transform: translate3d(5px, 16px, 4px);
    }
    75% {
        transform: translate3d(14px, 5px, -16px);
    }

}

.b-ball_bounce4 {
  animation: moveeeee 7s linear alternate infinite;
}
 @keyframes moveeeee {
    0% {
        transform: translate3d(0, 0, 0);
    }
    25% {
        transform: translate3d(-5px, -7px, 12px);
    }
    75% {
        transform: translate3d(-9px, 9px, -12px);
    }

}