::selection {
  background: rgba(255, 47, 47, 0.5);
}

html,
body {
  position: relative;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: 'Bitter', serif;
}

a {
  color: inherit;
  font-family: inherit;
  text-decoration: none;
}

div.top {
  flex: 1;
}

div.bottom {
  flex: 2;
}

@media (max-width: 500px) {
  div.top {
    flex: initial;
    height: 50px;
  }

  div.bottom {
    display: none;
  }
}