.paper1 {
  text-align: center;
  padding: 4rem 1rem 0;
  /* border: 1px solid red; */
}

.paper1__title {
  font-size: 2rem;
  font-weight: 700;
}

.paper1__subtitle {
  text-align: center;
  font-size: 1rem;
  margin: 2rem 0 0;
  font-weight: 400;
}

/* https://stackoverflow.com/a/66000 */
.paper1__subtitle--newline::after {
  content: "\a";
  white-space: pre;
}

/* xs */
@media (min-width: 475px) {
  .paper1__title {
    font-size: 3rem;
  }

  .paper1__subtitle {
    text-align: right;
    font-size: 1.3rem;
    padding: 1em;
  }

  .paper1__subtitle--newline::after {
    content: "\a";
    white-space: pre;
  }
}

/* sm */
@media (min-width: 640px) {
  .paper1__title {
    font-size: 3.5rem;
  }

  .paper1__subtitle {
    font-size: 1.4rem;
    padding: 2em;
  }

  .paper1__subtitle--newline::after {
    content: "";
    white-space: unset;
  }
}

/* md */
/* @media (min-width: 768px) {} */

/* lg */
/* @media (min-width: 1024px) {} */

/* xl */
/* @media (min-width: 1280px) {} */

/* 2xl */
/* @media (min-width: 1536px) {} */