message: add some space at the bottom of main content column
diff: @@ -146,6 +146,14 @@ h1, h2, h3, h4, h5, .uk-text-lead, .uk-button, .uk-alert, .uk-description-list d
  padding: 15px 20px;
  }
  + > .uk-panel-scrollable > *:last-child > *:last-child {
  + margin-bottom: 20px;
  +
  + @media (max-width: 639px) {
  + margin-bottom: 70px;
  + }
  + }
  +
  @media (max-width: 639px) {
  transition: transform 0.5s ease;
  