html {
  height: 100%;
  overscroll-behavior: none;
}

body { 
  background-color: #111;
  box-sizing: border-box;
  display: flex;
  height: 100%;
  justify-content: center; 
  margin: 0; 
  overscroll-behavior: none; 
  padding: 20px;
}

svg { 
  display: block;
  height: auto;
  max-height: 100%;
  max-width: 100%;
  user-select: none;
  -webkit-user-drag: none;
}

.svg-link {
  cursor: pointer;
  fill: transparent;
  stroke: transparent;
}