map = html`<svg viewBox="0 0 975 610">
<g fill="none" stroke="#000" stroke-linejoin="round" stroke-linecap="round">
<path stroke="#aaa" stroke-width="0.5" d="${path(topojson.mesh(ch, ch.objects.municipalities, (a, b) => a !== b))}" />
<path stroke-width="0.5" d="${path(topojson.mesh(ch, ch.objects.cantons, (a, b) => a !== b))}" />
<path stroke-width="1" d="${path(topojson.feature(ch, ch.objects.country))}" />
<path fill="rgb(102, 175, 233)" stroke="none" d="${path(topojson.feature(ch, ch.objects.lakes))}" />
</g>
</svg>`