:root {
  --title-font-size: 3.5rem;
  --subtitle-font-size: 1.6rem;
  --form-header-font-size: 1.2rem;
  --form-normal-font-size: 1rem;
  --ps-font-size: min(20px, 1.6vh);
  --main-color: #DD6C15;
  --main-color-hover: #dd6c15b8;
  --main-color-active: #DD6C1533;
  --main-button-color: #2B2B2B;
  --main-button-hover-color: #3E3E3E;
  --main-button-active-color: #1F1F1F;
  --next-button-color: #333;
  --next-button-hover-color: #2B2B2B;
  --next-button-active-color: #1F1F1F;
  --next-button-disable-color: #585858;
  --prev-button-color: #E5E5E5;
  --prev-button-hover-color: #d8d8d8;
  --prev-button-active-color: #c5c5c5;
  --prev-button-disable-color: #f4f4f4;
}