Misago/misago/admin/src/style/login-form.scss

// Login page

.login-form {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-form-container {
  width: 100%;
  padding: $grid-gutter-width;
}

.login-form-logo {
  margin-bottom: $paragraph-margin-bottom * 2;
  text-align: center;

  img {
    max-width: 200px;
    max-height: 64px;
  }
}

.login-form-card {
  max-width: 340px;
  margin: 0 auto;
}

.login-form-title {
  font-size: $font-size-lg;
  text-align: center;
}