app.css

html, body {
  background: #EEE;
  overflow: hidden;
}

svg {
  background-color: #EEE;
  cursor: default;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -o-user-select: none;
  user-select: none;
}

.navbar .navbar-nav a,
.navbar .navbar-header span {
  color: #FFF;
  cursor: default;
}

.nopadding {
   padding: 0 !important;
}

.nomargin {
   margin: 0 !important;
}

.ab-tree {
  position: fixed;
}

.info {
  z-index: 10;
  position: absolute;
  bottom: 6px;
  left: 6px;
  font-size: 9px;
}

.prune-info {
  z-index: 10;
  position: absolute;
  bottom: 6px;
  right: 6px;
  font-size: 14px;
}

.ctrl-panel {
  z-index: 10;
  position: relative;
  float: right;
  width: 325px;
  padding: 10px;
  margin: 10px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 4px;
  font-size: 12px;
}

.ctrl-panel .btn {
  font-size: 12px;
}

.ctrl-panel hr {
  margin: 10px;
  height: 0;
  border: 0;
  border-top: 1px solid #ccc;
}

.ctrl-panel .row {
  margin: 5px 0;
}

.ctrl-panel .row > div {
  padding-left: 2.5px;
  padding-right: 2.5px;
  margin-left: 0;
  margin-right: 0;
}

.ctrl-panel .row .progress {
  margin-bottom: 0;
  padding: 0;
}

.ctrl-panel .row .slider-handle {
  background-color: #428BCA;
  background-image: none;
  opacity: 1;
}

.button-label-container {
  padding: 7px 0 0 0;
  margin: 0;
}

.button-label {
  padding: 0 3px;
}

.slider-label.left {
  padding: 0 10px 0 0;
}

.slider-label.right {
  padding: 0 0 0 10px;
}

.answer-true {
  color: #008800;
}

path.link {
  fill: none;
  stroke: #000;
  stroke-width: 4px;
}

path.link.hover {
  stroke: #666666;
}

path.link.entered,
path.link.entered.hover {
  stroke: #008800;
}

path.link.pruned {
  stroke-dasharray: 10,10;
  stroke: #880000;
}

path.link.pruned.hover {
  stroke: #cd0000;
}

path.mouselink {
  stroke-width: 30px;
  stroke: #000;
  stroke-opacity: 0;
  cursor: pointer;
}


g.node path {
  cursor: pointer;
  fill: #FFF;
  stroke: #000;
}
g.node path:hover {
  fill: #EEE;
}
g.node.entered path {
  fill: #EEFFEE;
}

g.node.leaf path {
  fill: #FFF;
}
g.node.leaf path:hover {
  fill: #EEE;
}
g.node.entered.leaf path {
  fill: #EEEEFF;
}

rect.cursor {
  fill: #000;
}

text {
  font-family: 'Helvetica Neue', sans-serif;
  font-size: 18px;
  pointer-events: none;
}

text.value {
  text-anchor: middle;
  font-weight: bold;
}

g.node.pruned .alpha,
g.node.pruned .beta {
  fill: #AA0000;
}