publik-base-theme/static/sictiam/_sictiam.scss

#login-page > div.block {
  min-height: 300px;
  @media screen and ($max-mobile-viewport) {
    min-height: auto;
  }
}

.oidc-button {
  padding-top: 80px;
  text-align: center;
  @media screen and ($max-mobile-viewport) {
    padding-top: 10px;
  }
}