footer {
  background-color: #0026ff;
  color: white;
  text-align: center;
  padding: 12px 0;
  position: fixed;
  width: 100%;
  bottom: 0;
  left: 0;
  font-weight: 500;
  font-family: Arial, sans-serif;
  z-index: 1030;
}

body {
  padding-bottom: 50px; /* para que no tape contenido el footer */
}