.mindmap {
  overflow: scroll;
background-color: rgba(211,211,211,0.31);
 min-width: 70vw;
  
  margin: 0px !important;
  padding: 8px !important;
}

.mindmap \> .rm-block__children {
  min-width: 100%;
}

.mindmap .rm-block__children .rm-block {
  display: flex;
  align-items: center;
  flex-direction: row;
}
.mindmap .rm-block__children .rm-block__input {
  border-left: 1px solid grey;
  border-top: 1px solid grey;
  border-bottom: 1px solid grey;
  padding: 8px;
}
.mindmap .rm-block__children .rm-block__self {
  flex-grow: 0.1;
}
.mindmap .rm-block__children .rm-block__children .rm-block__controls {
opacity: 1;
  position: relative;
  align-self: center;
}

.mindmap .rm-block__children .rm-block__children .block-expand  {
  opacity: 1;
  background-color: green;
  height: 4px;
  align-self: center;
  min-width: 80%;
  margin-left: -4px;
  position: relative;
}

.mindmap .rm-block__children .rm-block__children .block-expand span {
  opacity: 1;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: green;
  color: transparent;
  transform: none !important;
}

.mindmap .rm-block__children .rm-block__children {
   flex-grow: 1;
  margin: 12px 4px;
  padding: 8px 0px;
 
}

• 
  .mindmap .rm-block__children .rm-block__children .rm-multibar {
    opacity: 1;
    top: 1em;
    bottom: 1em;
    background-color: green;
    width: 4px;
  }