ms-advance-chart/dist/standalone.css

Making diagrams or flows is easy using ms-advance-chart

.custom-node {
    position: absolute;
    width: 100px;
    padding: 10px;
    background: white;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: visible;
  }
  
  .node-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .node-title {
    font-size: 14px;
    font-weight: bold;
  }
  
  .delete-icon {
    cursor: pointer;
    color: red;
  }
  
  .node-body {
    margin-top: 10px;
    position: relative;
  }
  
  .handle {
    width: 8px;
    height: 8px;
    background: blue;
    border-radius: 50%;
    cursor: pointer;
    position: absolute;
    display: none;
    z-index: 1;
  }
  
  .custom-node:hover .handle {
    display: block;
  }
  
 
  

  
.decision-node {
    position: absolute;
    width: 100px;
    padding: 10px;
    background: #f9f9f9;
    border: 2px solid #333;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: visible;
  }
  
  .node-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .node-title {
    font-size: 14px;
    font-weight: bold;
  }
  
  .delete-icon {
    cursor: pointer;
    color: red;
  }
  
  .node-body {
    margin-top: 10px;
    position: relative;
  }
  
 
  
  .decision-node:hover .handle {
    display: block;
  }
  
  
  .source-handle.yes {
    top: -4px;
    left: 25%;
    transform: translateX(-50%);
  }
  
  .source-handle.no {
    top: -4px;
    right: 25%;
    transform: translateX(50%);
  }
  
  .target-handle {
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .decision-options {
    display: flex;
    justify-content: space-between;
    margin-top: 5px;
  }
  
  .decision-option {
    background: #e3e3e3;
    padding: 2px 5px;
    border-radius: 3px;
  }
  
.sidebar {
    width: 200px;
    background: #f4f4f4;
    padding: 10px;
  }
  
  .sidebar-node {
    margin: 10px 0;
    padding: 10px;
    background: #ddd;
    cursor: grab;
  }
  
.canvas {
  flex: 1;
  position: relative;
  background: #f9f9f9;
  border: 1px solid #ccc;
  overflow: hidden;
}

.app {
    display: flex;
    height: 100vh;
  }
  .handle {
    width: 7px;
    height: 7px;
    background: rgb(145 144 144);
    border-radius: 50%;
    cursor: pointer;
    position: absolute;
    display: none;
    z-index: 1;
  }
  .source-handle {
    background: rgb(155, 155, 155);
  }
  
  .target-handle {
    background: rgb(179, 179, 179);
  }
  
  .source-handle.top,
  .target-handle.top {
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .source-handle.bottom,
  .target-handle.bottom {
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
  }

  .source-handle.right,
  .target-handle.right {
    position: absolute;
    right: -4px;
    top: 50%;
    transform: translateY(-50%);
  }
  .source-handle.left,
  .target-handle.left {
    position: absolute;
    left: -4px;
    top: 50%;
    transform: translateY(-50%);
}