ThreadArcs.css

.point,
.arc {
	transition: all 600ms ease-out;
}

.point {
	cursor: pointer;
}

.arc {
	stroke-width: 1px;
	fill: transparent;
}

.ThreadArcsContainer {
	position: relative;
	z-index: 1;
}

/** Tooltip styles */
.ThreadArcsTooltip {
	position: absolute;
	z-index: -1;
	opacity: 1;
	transition: all 400ms ease-out;
	transition: opacity 300ms ease-in;

	margin-top: -15px; /** Matches .ThreadArcsTooltipLine.top **/
}

.ThreadArcsTooltipLine {
	position: absolute;
	right: 100%;
	display: block;
	height: 1px;
	background: rgba(0,0,0,0.3);

	top: 15px;
}

.horizontal .ThreadArcsTooltipLine {
	width: 1px;
	bottom: 100%;
	top:auto;

	left: 30px; /* See next */
}

.horizontal .ThreadArcsTooltip {
	margin-left: -30px;
}


.ThreadArcsTooltip.hidden {
	display: none;
}



/*********************************/



.point:hover,
.point.hover,
.point:active {
	/* ... */
}

.point.highlight {
	/* ... */
}

/* General styles for highlighted arcs */
.arc.depth-0, 
.arc.depth-1,
.arc.depth-2,
.arc.depth-3,
.arc.depth-4,
.arc.depth-5 {
	/* .. */
}

.arc.depth-m0, 
.arc.depth-m1,
.arc.depth-m2,
.arc.depth-m3,
.arc.depth-m4,
.arc.depth-m5 {
	/* ... */
}

/* Predecessors */
.point.depth-m2 { }
.arc.depth-m2 { }

.point.depth-m1 { }
.arc.depth-m1 { }

.point.depth-m0 { }
.arc.depth-m0 { }

/* Descendants */
.point.depth-0 { }
.arc.depth-0 { }

.point.depth-1 { }
.arc.depth-1 { }

.point.depth-2 { }
.arc.depth-2 { }

/* And so on... */