footer {
  display: table;
}

footer .logo {
  bottom: 50px;
}

footer .copyright {
  margin-top: 80px;
  margin-bottom: 20px;
  display: inline-block;
}

footer nav {
  display: table;
  margin: auto;
  padding: 10px;
}

footer nav ul {
  list-style-type: none;
  overflow: hidden;
  padding: 0;
  margin: 0;
  float: left;
}

footer nav ul li {
  float: left;
  padding: 20px 15px;
}