.middle_wrapper {
  display: flex;
  justify-content: center;   /* horisontell centrering */
  align-items: center;       /* vertikal centrering */
  height: 100vh;             /* hela höjden på viewporten */
}

img.center {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
}

.link-wrapper {
  text-align: center;
  list-style: none;
  padding: 0;
  margin: 0;
}

.link-wrapper li {
  display: inline-block;
  margin: 0.5em;
}