0" width="100%" height="100%"/>

    <!--
    With the point of coordinate 0,0 in the center of the viewport the
    value 50% is resolve to 5 which means the center of the circle is
    in the bottom/right corner of the viewport.
    -->
    <circle cx="50%" cy="50%" r="4" fill="white"/>
</svg>

<svg viewBox="0 0 30 10" xmlns="http://www.w3.org/2000/svg">
    <!-- Dashes and gaps of various sizes with an even number of values -->
    <line x1="0" y1="9" x2="30" y2="9" stroke="black"
          stroke-dashar