<div class="fixed" data-immerser>
  <div class="fixed__pager pager" data-immerser-pager data-immerser-solid="pager"></div>
  <a href="#reasoning" class="fixed__logo logo" data-immerser-solid="logo">иммёрсер</a>
  <div class="fixed__menu menu" data-immerser-solid="menu">
    <a href="#reasoning" class="menu__link">Зачем нужен иммёрсер</a>
    <a href="#how-to-use" class="menu__link">Как пользоваться</a>
    <a href="#how-it-works" class="menu__link">Принцип работы</a>
    <a href="#options" class="menu__link">Настройки</a>
    <a href="#recipes" class="menu__link">Рецепты</a>
  </div>
  <div class="fixed__language language" data-immerser-solid="language">
    <a href="/" class="language__link">english</a>
    <a href="/ru.html" class="language__link">по-русски</a>
  </div>
  <div class="fixed__about about" data-immerser-solid="about">
    © 2022 — Владимир Лысов, Челябинск, Россия
    <a href="https://github.com/dubaua/immerser">гитхаб</a>
    <a href="mailto:dubaua@gmail.com">dubaua@gmail.com</a>
  </div>
</div>

<div data-immerser-layer data-immerser-layer-config='{"logo": "logo--contrast", "pager": "pager--contrast", "social": "social--contrast"}' id="reasoning"></div>
<div data-immerser-layer data-immerser-layer-config='{"menu": "menu--contrast", "about": "about--contrast"}' id="how-to-use"></div>
<div data-immerser-layer data-immerser-layer-config='{"logo": "logo--contrast", "pager": "pager--contrast", "social": "social--contrast"}' id="how-it-works"></div>
<div data-immerser-layer data-immerser-layer-config='{"menu": "menu--contrast", "about": "about--contrast"}' id="options"></div>
<div data-immerser-layer data-immerser-layer-config='{"logo": "logo--contrast", "pager": "pager--contrast", "social": "social--contrast"}' id="recipes"></div>

.fixed {
  position: fixed;
  top: 2em;
  bottom: 3em;
  left: 3em;
  right: 3em;
  z-index: 1;
}
.fixed__pager {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(0, -50%);
}
.fixed__logo {
  position: absolute;
  top: 0;
  left: 0;
}
.fixed__menu {
  position: absolute;
  top: 0;
  right: 0;
}
.fixed__language {
  position: absolute;
  bottom: 0;
  left: 0;
}
.fixed__about {
  position: absolute;
  bottom: 0;
  right: 0;
}
.pager,
.logo,
.menu,
.language,
.about {
  color: black;
}
.pager--contrast,
.logo--contrast,
.menu--contrast,
.language--contrast,
.about--contrast {
  color: white;
}