SVG Absolute Path

HTML

<svg width='155' height='55'>
    <!-- ABSOLUTE-->
    <path d='M0 0, 50 50, 90 10, 120 40, 140 20, 150 30' />
</svg>

CSS

html, body {
    background: #222;
}
svg {
    background: yellow;
}
path {
    stroke: blue;
    fill: none;
}