.changePassword-mainForm {
  background-color: $c-background;
}

.btn-change-active {

  background: $c-background;

  &:hover{
    background: darken($c-background, 20%);
  }
}
.changePassword-mainForm {
  @include  top-element-multicolor();
}

.btn-change-active {

  background: $c-background;

  &:hover{
    background: darken($c-background, 20%);
  }
}

Add multicolor on changePassword template
Add multicolor on changePassword template
