html {
  min-height: 100%;
  height: 100%; }

body {
  height: 100%;
  background: #000; }

.logo-wrap {
  position: relative;
  top: 10%;
  max-width: 90%;
  margin: 0 auto; }
  @media screen and (min-width: 992px) {
    .logo-wrap {
      max-width: 40%; } }
  .logo-wrap img {
    height: auto;
    max-width: 100%; }