ld::after {content: "";}
.labels .line.col.label  {grid-template-row: 1; grid-template-column: auto / span 1;}

.gridlines {display: grid;}
.gridlines i {height: 1.2em; font: italic 1.5em Gentium Basic, serif;}
.gridlines i.col.measure {align-self: center; justify-self: stretch;
	text-align: center; height: 1.2em;
	background:
		linear-gradient(rgba(255,255,255,0.5), rgba(255,255,255,0.5)),
		url(i/arrow-left.svg) 0 50% / 0.5em,
		url(i/arrow-right.svg) 100% 50% / 0.5em,
		radial-gradient(white, white 1em, 