footer {
  border-top: solid 1px #ccc;
  background: rgb(26, 26, 26);
  width: 100%;
  display: block;
  padding-top: 10px;
  padding-bottom: 10px;
  position: fixed;
  bottom: 0;
  left: 0;
  text-align: center;
  justify-content: center;
  align-items: center;
}

footer .social-icons {
  max-width: 1250px;
  justify-content: center;
  align-items: center;
  display: flex;
  margin-left: auto;
  margin-right: auto;
}

footer .social-icons ul {
  display: flex;
  list-style-type: none;
  margin-top: 5px;
  margin-bottom: 5px;
}

footer .social-icons ul li + li {
  margin-left: 50px;
}