.command-logger {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0px;
  left: 0px;
  background: #1e1e1e;
  color: #eee;
  overflow: auto;
  z-index: 99;
  padding: 20px;
}

.command-logger .category-header {
  text-align: center;
  padding-bottom: 10px;
}

.command-logger .tree-map {
  margin: auto;
  position: relative;
  width: 960px;
  height: 700px;
  background-color: #efefef;
  border: 1px solid #999;
}

body.command-logger-node-text {
  background-color: transparent;
}

.command-logger-node-text div {
  display: table-cell;
  vertical-align: middle;
  text-align: center;
  cursor: pointer;
}

.command-logger-node-text span {
  font-size: 10px;
  color: #fff;
  text-shadow: #000 1px 1px 4px;
}

.command-logger {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0px;
  left: 0px;
  background: #1e1e1e;
  color: #eee;
  overflow: auto;
  z-index: 99;
  padding: 20px;
}

.command-logger .category-header {
  text-align: center;
  padding-bottom: 10px;
}

.command-logger .tree-map {
  margin: auto;
  position: relative;
  width: 960px;
  height: 700px;
  background-color: #efefef;
  border: 1px solid #999;
}

body.command-logger-node-text {
  background-color: transparent;
}

.command-logger-node-text div {
  display: table-cell;
  vertical-align: middle;
  text-align: center;
  cursor: pointer;
}

.command-logger-node-text span {
  font-size: 10px;
  color: #fff;
  text-shadow: #000 1px 1px 4px;
  -webkit-user-select: none;
}

Disable text selections inside nodes
Disable text selections inside nodes
