.reveal {
  --r-main-font: "Fira Sans", sans-serif;
  --r-heading-font: "Sue Ellen Francisco", fantasy;
}
.reveal pre {
  width: 100%;
}
.reveal pre code {
  padding: 1rem;
}
.reveal mark {
  background: var(--r-italic-color);
}
h1 {
  padding-bottom: 3rem;
}
h2 code {
  font-size: .7em;
}
.txt-img {
  display: flex;
}
.txt-img :first-child {
  font-size: smaller;
}
.galeria {
  display: flex;
  align-items: stretch;
}
.galeria img {
  height: var(--a);
  width: auto;
}
.galeria figcaption {
  font-size: smaller;
}
.cont-img {
  display: flex;
  align-items: center;
  --r-block-margin: 0;
}
.cont-img :first-child {
  flex-grow: 1;
}
.comp-codigo figure {
  display: inline-block;
  width: calc(50% - 2rem);
  vertical-align: top;
}
.comp-codigo figure:not(:last-child){
  margin-right: 1rem;
}
.lista-natural dt {
  display: inline-block;
}
.lista-natural dd {
  display: inline;
  margin-left: 0;  
}
.lista-natural dt::after {
  content: ": ";
  white-space: preserve-spaces;
}
.lista-natural dd::after {
  white-space: pre;
  content: "\000a";
}
.tecla {
  border: 1px solid var(--r-main-color);
  padding: 4px;
  border-radius: .5rem;
  font-family: monospace;
  font-size: smaller;
}