* {
  box-sizing: border-box;
}

:root {
  --size: 50;
  --unit: calc((var(--size) / 470) * 1vmin);
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
}

svg {
  position: fixed;
  bottom: 0%;
  width: calc(100 * var(--unit));
  height: calc(100 * var(--unit));
}