.container {
  font-family: monospace;
  font-size: 1em;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.container.scrollable {
  overflow: auto;
}
.item {
  padding: 1px;
  margin: 1px 1px 1px 12px;
  font-size: 13px;
}
.item .item__title {
  position: relative;
}
.item .inner-item {
  margin-left: 12px;
  -webkit-transition: -webkit-transform 0.1s ease-in;
  transition: -webkit-transform 0.1s ease-in;
  transition: transform 0.1s ease-in;
  transition: transform 0.1s ease-in, -webkit-transform 0.1s ease-in;
  display: -webkit-box;
  display: flex;
}
.item .toggler {
  font-size: 0.8em;
  line-height: 1.2em;
  vertical-align: middle;
  opacity: 0.6;
  position: absolute;
  margin-left: -9px;
  margin-top: 3px;
  cursor: pointer;
}
.item .toggler::after {
  display: inline-block;
  content: "►";
  -webkit-transition: -webkit-transform 0.1s ease-in;
  transition: -webkit-transform 0.1s ease-in;
  transition: transform 0.1s ease-in;
  transition: transform 0.1s ease-in, -webkit-transform 0.1s ease-in;
}
.item.is-opened > .item__title > .toggler::after {
  -webkit-transform: rotate(90deg);
          transform: rotate(90deg);
}
.item.is-object > .item__title {
  cursor: pointer;
}
.item__title {
  white-space: nowrap;
}