.site-footer {
  width: 100%;
  box-sizing: border-box;
  background: #000;
  color: #fff;
  padding: 24px 16px;
  text-align: center;
  font: 14px/1.6 Arial, Helvetica, sans-serif;
}
.site-footer p { margin: 0; }
.site-footer p + p { margin-top: 8px; }