.machine-axis-item .axis {
    height: 8px;
    width: 8px;
    background-color: silver;
    display: inline-block;
}

.machine-axis-item .axis.active {
    animation-duration: 600ms;
    animation-name: axis-moving;
    animation-iteration-count: infinite;
    animation-direction: alternate;
    background-color: #0076ff;
}

.machine-axis-item .icon-working.fa-spin {
    color: #0076ff;
}

@keyframes axis-moving {
    from {
        width: 8px;
    }
    to {
        width: 32px;
    }
}