.footer {
  background-color: #e5e5e5;
  padding: 15px;
  text-align: center;
  height: 40px;
  
  /* Flexbox */
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  
  /* Positioning */
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
}

/* Media Queries */
@media (max-width: 767px) {
  /* Styles for mobile devices */
  .footer {
    position: static; /* Remove fixed positioning */
  }
}