App.css

:root {
  --bg-sidebar-clr: #313131;
}

html {
  font-size: 16px;
}

.body {
  margin: 0;
  padding: 0;
}

.app-cont {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: row-reverse;
}

.sidebar {
  width: 20vw;
  min-height: 100vh;
  background-color: var(--bg-sidebar-clr);
  color: #fff;
  display: flex;
  flex-direction: column;
}

.sidebar__text-cont {
  flex-grow: 1;
  background: var(--bg-sidebar-clr);
  outline: none;
  border: none;
  flex-shrink: 1;
  color: #fff;
  font-size: 0.8rem;
  padding: 0.7rem;
}
.sidebar__title-cont {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 10px;
}
.sidebar__title-cont h1 {
  font-size: 1.3rem;
}

.sidebar__title-cont button {
  margin: 1rem 0;
  font-size: 0.9rem;
}

.react-flow {
  background-color: #202021;
}

.react-flow__background {
  color: #2f2f2f;
}
.react-flow__node {
  background: transparent;
}

.react-flow__node-jsonVis {

  background-color: transparent;
  position: relative;
  width: 200px;
  min-height: 50px;
  display: flex;
  justify-content: center;

}

.react-flow__handle {

  opacity: 0;
}

.react-flow__handle-top {
  top: 5% !important;
}

.react-flow__handle-bottom {
  bottom: 5% !important;
}

.react-flow__handle-right {
  right: 2% !important;
}

.react-flow__handle-left {
  left: 2% !important;
}

.react-flow__panel-1 {
  display: flex;
  gap: 2vw;
}

.react-flow__node-jsonVis ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.jsonVisNode__label{
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 200px;;
  display: flex;
  flex-wrap: wrap;
  color: #fff;
  padding: 1rem;
  border-radius: 10px;
  background-color: var(--bg-sidebar-clr);
}

.jsonVisNode__label__key{
  color:#c39c6b;
  font-weight: 600;
}