@import url(normalize.css);
body {
  height: 100% auto; }

.div {
  width: 100%; }
  .div .container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh; }
    .div .container .mobile_image {
      max-width: 250px;
      margin: 0 auto;
      display: block; }
    .div .container .image {
      display: none; }

@media (min-width: 750px) {
  .div .container .mobile_image {
    display: none; }
  .div .container .image {
    max-width: 750px;
    margin: 0 auto;
    display: block; } }