.intro {
  width: 100%;
  height: 100vh;       /* adjust as you like */
  border-radius: 10px !important;    /* ← rounded corners */

  margin-top: 1rem;
  padding: 1rem;
}

.intro h1 {
    font-size: 7rem;
    font-weight: 700;
}

.intro b {
    font-size: 10rem;
    font-weight: 800;
}

.intro p {
    font-size: 3rem;
}