#container {
    min-width: 320px;
    max-width: 800px;
    height: 500px;
    margin: 1em auto;
}

.animated-line {
    stroke-dasharray: 8;
    stroke-dashoffset: 10;
    animation: dash 5s linear infinite;
}

@keyframes dash {
    from {
        stroke-dashoffset: 100;
    }

    to {
        stroke-dashoffset: 20;
    }
}
