link.css

*,
::before,
::after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
}

body,h1,p{
    margin: 0;
}

body {
    font-family: 'Lato', sans-serif;
    height: 100vh;
    padding-top: 4rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

#navbar {
    background-color:#1e40af ;

}

#navbar {
    background-color: #1e40af;
    display: flex;
    justify-content: space-between; /* Justify content mueve las cajas en el eje x */
    padding: 0 1rem;
    height: 4rem;
    align-items: center; /* align items mueve las cajas en el eje y */
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
  }

  #navbar-logo {
    color: #eff6ff;
  }

  #main-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    flex-direction: column;
    gap: 1rem;
    padding: 0 1rem;
  }

  #main-logo {
    color: #1e40af;
    text-transform: uppercase;
    font-size: 3rem;
  }

  #main-desc-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  #main-desc {
    text-align: justify;
  }

  #main-link {
    color: #eff6ff;
    background-color: #1e40af;
    padding: 0.5rem 1rem;
    text-align: center;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.3s ease-in-out;
  }

  #main-link:hover {
    background-color: #1e3a8a;
  }

  @media (min-width:640px) {
  #main-container {
    flex-direction: row;
    width: 75%;
  }

  #main-link {
    width: 40%;
    margin: 0 auto;
  }
}