message: [website] Fine tuning
  Details:
  Reduces side panel width so that it does not overlap main contents on
  "standard" desktop screens
  Rewords a sentence in the footer
  Adds a mention to FA2 and layouts (so that people can look up for
  those terms at least)
diff: @@ -187,7 +187,7 @@ header .menu .panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  - padding: 6em 3em 2em 5em;
  + padding: 6em 5em 2em;
  position: fixed;
  background: white;
  box-shadow: var(--box-shadow);
  @@ -445,10 +445,10 @@ footer ul {
  padding: 1em;
  }
  header .menu .panel {
  - padding: 6em 3em 2em 3em;
  + padding: 6em 4em 2em;
  }
  #toggle-menu:checked + .menu .panel {
  - background: #ffffffcc;
  + background: #ffffffee;
  width: 100vw;
  border: none;
  margin: auto;
  