body { padding-top: 56px; padding-bottom: 60px; }
header.institucional {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1030;
  height: 56px; display: flex; align-items: center;
  background: #fff; border-bottom: 1px solid #dee2e6; padding: 0 16px;
}
header.institucional img { height: 36px; margin-right: 10px; }
footer.institucional {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: #212529; color: #adb5bd; text-align: center;
  padding: 10px; font-size: 0.8rem;
}