* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: #f1f1f1;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

#stage {
  position: relative;
  width: 100%;
  height: 100%;
}

#connections {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.sphere {
  position: absolute;
  left: 0;
  top: 0;
  width: 84px;
  height: 84px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 2px solid #000000;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sphere-text,
.sphere-label {
  width: 72%;
  text-align: center;
  color: #000000;
  font-weight: 600;
  font-size: 14px;
  line-height: 1.2;
  word-break: break-word;
}

.sphere-text {
  background: transparent;
  border: 0;
  outline: 0;
  caret-color: #000000;
}