Lightningbeam/src/drawflow.css

:root {
  --dfBackgroundColor: rgba(47, 47, 47, 1);
  --dfBackgroundSize: 64px;
  --dfBackgroundImage: radial-gradient(rgba(77, 77, 77, 1) 1px, transparent 1px);

  --dfNodeType: flex;
  --dfNodeTypeFloat: none;
  --dfNodeBackgroundColor: rgba(88, 88, 88, 1);
  --dfNodeTextColor: rgba(255, 255, 255, 1);
  --dfNodeBorderSize: 2px;
  --dfNodeBorderColor: rgba(99, 99, 99, 1);
  --dfNodeBorderRadius: 12px;
  --dfNodeMinHeight: 40px;
  --dfNodeMinWidth: 160px;
  --dfNodePaddingTop: 15px;
  --dfNodePaddingBottom: 15px;
  --dfNodeBoxShadowHL: 0px;
  --dfNodeBoxShadowVL: 2px;
  --dfNodeBoxShadowBR: 15px;
  --dfNodeBoxShadowS: 2px;
  --dfNodeBoxShadowColor: rgba(0, 0, 0, 0.37);

  --dfNodeHoverBackgroundColor: rgba(115, 115, 115, 1);
  --dfNodeHoverTextColor: rgba(255, 255, 255, 1);
  --dfNodeHoverBorderSize: 2px;
  --dfNodeHoverBorderColor: rgba(135, 135, 135, 1);
  --dfNodeHoverBorderRadius: 12px;

  --dfNodeHoverBoxShadowHL: 0px;
  --dfNodeHoverBoxShadowVL: 2px;
  --dfNodeHoverBoxShadowBR: 15px;
  --dfNodeHoverBoxShadowS: 2px;
  --dfNodeHoverBoxShadowColor: rgba(24, 24, 24, 1);

  --dfNodeSelectedBackgroundColor: rgba(132, 132, 132, 1);
  --dfNodeSelectedTextColor: #ffffff;
  --dfNodeSelectedBorderSize: 2px;
  --dfNodeSelectedBorderColor: rgba(183, 183, 183, 1);
  --dfNodeSelectedBorderRadius: 12px;

  --dfNodeSelectedBoxShadowHL: 0px;
  --dfNodeSelectedBoxShadowVL: 2px;
  --dfNodeSelectedBoxShadowBR: 15px;
  --dfNodeSelectedBoxShadowS: 2px;
  --dfNodeSelectedBoxShadowColor: rgba(0, 0, 0, 0.28);

  --dfInputBackgroundColor: rgba(135, 135, 135, 1);
  --dfInputBorderSize: 2px;
  --dfInputBorderColor: #000000;
  --dfInputBorderRadius: 10px;
  --dfInputLeft: -27px;
  --dfInputHeight: 15px;
  --dfInputWidth: 15px;

  --dfInputHoverBackgroundColor: #ffffff;
  --dfInputHoverBorderSize: 2px;
  --dfInputHoverBorderColor: #000000;
  --dfInputHoverBorderRadius: 50px;

  --dfOutputBackgroundColor: rgba(147, 147, 147, 1);
  --dfOutputBorderSize: 2px;
  --dfOutputBorderColor: #000000;
  --dfOutputBorderRadius: 50px;
  --dfOutputRight: -3px;
  --dfOutputHeight: 15px;
  --dfOutputWidth: 15px;

  --dfOutputHoverBackgroundColor: #ffffff;
  --dfOutputHoverBorderSize: 2px;
  --dfOutputHoverBorderColor: #000000;
  --dfOutputHoverBorderRadius: 50px;

  --dfLineWidth: 5px;
  --dfLineColor: rgba(137, 137, 137, 1);
  --dfLineHoverColor: #4682b4;
  --dfLineSelectedColor: #43b993;

  --dfRerouteBorderWidth: 2px;
  --dfRerouteBorderColor: #000000;
  --dfRerouteBackgroundColor: rgba(193, 193, 193, 1);

  --dfRerouteHoverBorderWidth: 2px;
  --dfRerouteHoverBorderColor: #000000;
  --dfRerouteHoverBackgroundColor: #ffffff;

  --dfDeleteDisplay: block;
  --dfDeleteColor: #ffffff;
  --dfDeleteBackgroundColor: #000000;
  --dfDeleteBorderSize: 2px;
  --dfDeleteBorderColor: #ffffff;
  --dfDeleteBorderRadius: 50px;
  --dfDeleteTop: -15px;

  --dfDeleteHoverColor: #000000;
  --dfDeleteHoverBackgroundColor: #ffffff;
  --dfDeleteHoverBorderSize: 2px;
  --dfDeleteHoverBorderColor: #000000;
  --dfDeleteHoverBorderRadius: 50px;

}

#drawflow {
  background: var(--dfBackgroundColor);
  background-size: var(--dfBackgroundSize) var(--dfBackgroundSize);
  background-image: var(--dfBackgroundImage);
}

.drawflow .drawflow-node {
  display: var(--dfNodeType);
  background: var(--dfNodeBackgroundColor);
  color: var(--dfNodeTextColor);
  border: var(--dfNodeBorderSize)  solid var(--dfNodeBorderColor);
  border-radius: var(--dfNodeBorderRadius);
  min-height: var(--dfNodeMinHeight);
  width: auto;
  min-width: var(--dfNodeMinWidth);
  padding-top: var(--dfNodePaddingTop);
  padding-bottom: var(--dfNodePaddingBottom);
  -webkit-box-shadow: var(--dfNodeBoxShadowHL) var(--dfNodeBoxShadowVL) var(--dfNodeBoxShadowBR) var(--dfNodeBoxShadowS) var(--dfNodeBoxShadowColor);
  box-shadow:  var(--dfNodeBoxShadowHL) var(--dfNodeBoxShadowVL) var(--dfNodeBoxShadowBR) var(--dfNodeBoxShadowS) var(--dfNodeBoxShadowColor);
  user-select: none;
}

.drawflow .drawflow-node * {
  user-select: none;
}

.drawflow .drawflow-node:hover {
  background: var(--dfNodeHoverBackgroundColor);
  color: var(--dfNodeHoverTextColor);
  border: var(--dfNodeHoverBorderSize)  solid var(--dfNodeHoverBorderColor);
  border-radius: var(--dfNodeHoverBorderRadius);
  -webkit-box-shadow: var(--dfNodeHoverBoxShadowHL) var(--dfNodeHoverBoxShadowVL) var(--dfNodeHoverBoxShadowBR) var(--dfNodeHoverBoxShadowS) var(--dfNodeHoverBoxShadowColor);
  box-shadow:  var(--dfNodeHoverBoxShadowHL) var(--dfNodeHoverBoxShadowVL) var(--dfNodeHoverBoxShadowBR) var(--dfNodeHoverBoxShadowS) var(--dfNodeHoverBoxShadowColor);
}

.drawflow .drawflow-node.selected {
  background: var(--dfNodeSelectedBackgroundColor);
  color: var(--dfNodeSelectedTextColor);
  border: var(--dfNodeSelectedBorderSize)  solid var(--dfNodeSelectedBorderColor);
  border-radius: var(--dfNodeSelectedBorderRadius);
  -webkit-box-shadow: var(--dfNodeSelectedBoxShadowHL) var(--dfNodeSelectedBoxShadowVL) var(--dfNodeSelectedBoxShadowBR) var(--dfNodeSelectedBoxShadowS) var(--dfNodeSelectedBoxShadowColor);
  box-shadow:  var(--dfNodeSelectedBoxShadowHL) var(--dfNodeSelectedBoxShadowVL) var(--dfNodeSelectedBoxShadowBR) var(--dfNodeSelectedBoxShadowS) var(--dfNodeSelectedBoxShadowColor);
}

.drawflow .drawflow-node .input {
  left: var(--dfInputLeft);
  background: var(--dfInputBackgroundColor);
  border: var(--dfInputBorderSize)  solid var(--dfInputBorderColor);
  border-radius: var(--dfInputBorderRadius);
  height: var(--dfInputHeight);
  width: var(--dfInputWidth);
}

.drawflow .drawflow-node .input:hover {
  background: var(--dfInputHoverBackgroundColor);
  border: var(--dfInputHoverBorderSize)  solid var(--dfInputHoverBorderColor);
  border-radius: var(--dfInputHoverBorderRadius);
}

.drawflow .drawflow-node .outputs {
  float: var(--dfNodeTypeFloat);
}

.drawflow .drawflow-node .output {
  right: var(--dfOutputRight);
  background: var(--dfOutputBackgroundColor);
  border: var(--dfOutputBorderSize)  solid var(--dfOutputBorderColor);
  border-radius: var(--dfOutputBorderRadius);
  height: var(--dfOutputHeight);
  width: var(--dfOutputWidth);
}

.drawflow .drawflow-node .output:hover {
  background: var(--dfOutputHoverBackgroundColor);
  border: var(--dfOutputHoverBorderSize)  solid var(--dfOutputHoverBorderColor);
  border-radius: var(--dfOutputHoverBorderRadius);
}

.drawflow .connection .main-path {
  stroke-width: var(--dfLineWidth);
  stroke: var(--dfLineColor);
}

.drawflow .connection .main-path:hover {
  stroke: var(--dfLineHoverColor);
}

.drawflow .connection .main-path.selected {
  stroke: var(--dfLineSelectedColor);
}

.drawflow .connection .point {
  stroke: var(--dfRerouteBorderColor);
  stroke-width: var(--dfRerouteBorderWidth);
  fill: var(--dfRerouteBackgroundColor);
}

.drawflow .connection .point:hover {
  stroke: var(--dfRerouteHoverBorderColor);
  stroke-width: var(--dfRerouteHoverBorderWidth);
  fill: var(--dfRerouteHoverBackgroundColor);
}

.drawflow-delete {
  display: var(--dfDeleteDisplay);
  color: var(--dfDeleteColor);
  background: var(--dfDeleteBackgroundColor);
  border: var(--dfDeleteBorderSize) solid var(--dfDeleteBorderColor);
  border-radius: var(--dfDeleteBorderRadius);
}

.parent-node .drawflow-delete {
  top: var(--dfDeleteTop);
}

.drawflow-delete:hover {
  color: var(--dfDeleteHoverColor);
  background: var(--dfDeleteHoverBackgroundColor);
  border: var(--dfDeleteHoverBorderSize) solid var(--dfDeleteHoverBorderColor);
  border-radius: var(--dfDeleteHoverBorderRadius);
}