body{
    background-color: rgb(231, 246, 247);
}

p::first-line {
  background-color: yellowgreen;
  font-variant: small-caps;
}

p.OG::first-letter{
    font-size: 35px;
    font-family: monospace;
    color: brown;
}

h1::before{
    content: url(IMAGENES/R.gif);
    width: 50px;
    height: 50px;
}

h1::after{
    content: url(IMAGENES/gif-paginas.gif);
}

::marker{
    color: rebeccapurple;
}

::selection {
  color: rgb(111, 0, 255);
  background: rgb(9, 255, 0);
}