:root {
  --bg-inner: white;
  --bg-outer: white;
}

* {
  box-sizing: border-box;
}

body {
  position: relative;
}

.container {
  height: 100vh;
  width: 100vw;
  padding: 1rem;
  background-image: radial-gradient(var(--bg-inner) 0%, var(--bg-outer) 100%);
}
.container svg {
  width: 100%;
  aspect-ratio: 1;
}
.container svg * {
  /*    Removes little gaps between the shapes */
  shape-rendering: crispEdges;
}

.button {
  position: absolute;
  bottom: 0;
  right: 0;
  padding: 0.5rem;
  margin: 0;
  border-top-left-radius: 12px;
  background: #ffffffcc;
  border: 0.5px solid #555555cc;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  font-weight: 600;
  color: #333;
  font-size: 0.75rem;
}
.button svg {
  width: 1.25rem;
  transition: 0.3s ease-in-out transform;
}
.button:hover svg {
  transform: rotate(-45deg);
}
.button:focus, .button:active {
  outline: 2px solid #f06;
}
.button:focus svg, .button:active svg {
  transform: rotate(-90deg);
}