a, a:hover {
  color: magenta;
}
body {
  width: 50%;
  margin: auto;
  background-color: black;
  color: magenta;
  font-family: monospace;
  font-size: 18px;
  letter-spacing: 1px;
}
h1 {
  font-size: 2rem;
}
img {
  width: 100%;
}
hr {
  border: none;
  border-bottom: solid 1px magenta;
}
.cabecera {
  text-align: center;
}
.bajada {
  letter-spacing: .3em;
}
.pie {
  margin-bottom: 1em;
}
.pie a {
  text-decoration: none;
}
@media (max-width: 740px) {
  body {
    width: calc(100% - 2em);
    padding: 0 1em;
  }
  ul {
    margin: 1em;
  }
  h1 {
    font-size: 3rem;
    font-weight: 300;
    line-height: 1.0;
  }
  h2 {
    font-size: 2.25rem;
    font-weight: 300;
    line-height: 1.0;
  }
  h3 {
    font-size: 1.75rem;
    font-weight: 300;
    line-height: 1.0;
  }
  h4 {
    font-size: 1.25rem;
    font-weight: 300;
    line-height: 1.0;
  }
}