footer {
  display: flex;
  justify-content: center;
  padding: 1rem;
  position: fixed;
  bottom: 0;
  right: 0;
  width: 100%;
  background: #f5f5f5;
  backdrop-filter: blur(2px);
  box-sizing: border-box;
}

nav {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  box-sizing: border-box;
  unicode-bidi: isolate;
}

nav a {
  font-family: Fira Mono, monospace;
  margin: 0 .5rem;
  color: inherit;
  text-decoration: inherit;
  box-sizing: content-box;
  border-bottom: 2px solid #e2e2e2;
  cursor: pointer;
}

nav a:hover {
  border-bottom: 2px solid black;
}