<div class="page">
  <header>Cabecera</header>
  <nav>Menú</nav>
  <div class="body">Contenido principal</div>
  <aside>Menú lateral</aside>
  <footer>Pie</footer>
</div>
.page {
  display: grid;
  grid-gap: 10px;
  grid-template-columns: 1fr 1fr 1fr 0.5fr 1.25fr;
  grid-template-rows: 1fr 1fr 1fr 2.5fr;
  grid-template-areas:
    "aside   body    body    footer footer"
    "aside   body    body    footer footer"
    "aside   body    body    ...... nav   "
    "aside  header  header   header nav   ";
  height: 100vh;
  padding: 10px;
  text-align: center;
}
header {
  grid-area: header;
  padding: 20px;
  background-color: #DC493A;
  color: #FFFFFF;
}
nav {
  grid-area: nav;
  padding: 20px;
  background-color: #4F3130;
  color: #FFFFFF;
}
.body {
  grid-area: body;
  padding: 20px;
  background-color: #3FA7D6;
  color: #FFFFFF;
}
aside {
  grid-area: aside;
  padding: 20px;
  background-color: #FAC05E;
  color: #FFFFFF;
}
footer {
  grid-area: footer;
  padding: 20px;
  background-color: #59CD90;
  color: #FFFFFF;
}
/* AUX GENERIC CSS */
* {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  box-sizing: border-box;
}

External CSS

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External JavaScript

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