doc/themes/yunohost-docs/scss/theme/light/_custom.scss

body.light-mode {
  // Variables
  $background-color: rgb(255, 255, 255);
  $text-color: rgb(23, 27, 33);
  $text-accent-color: rgb(36, 41, 49);
  $text-darker-color: rgb(17, 20, 24);
  $card-bg-color: rgb(240, 240, 240);
  $border-color: rgb(221, 221, 221);
  $link-color: rgb(114, 182, 236);

  $danger: rgb(242, 222, 222);
  $warning: rgb(252, 248, 227);
  $success: rgb(223, 240, 216);

  // Main body background
  background-color: $background-color;
  
  ::selection {
    background-color: $border-color;
  }
  // Page wrapper
  #body-wrapper,
  #page-wrapper {
    background-color: $background-color;
    color: $text-color;
  }

  // Darker blue for links
  a {
    color: $link-color;
  }

  // Card, header and dropdown have darker background
  .card,
  #footer,
  .dropmenu ul ul {
    background-color: $card-bg-color !important;
  }

  // Headers have whiter color
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  #header a {
    color: $text-accent-color;
  }

  // Labels are grey
  .label.label-primary {
    color: $text-accent-color;
    background-color: $link-color;
  }
  .label.label-secondary {
    color: $text-color;
    background-color: $border-color;
  }

  // Pagination border is slighly different than the text
  .pagination li {
    border-color: $border-color;
    background: $card-bg-color;
  }

  #sidebar-id {
    background: $background-color;
  }
  // Sidebar menu use darker text color for focus
  .menu,
  .learn-brand,
  .learn-nav {
    color: $text-darker-color;
  }

  .menu .menu-item > a:focus,
  .menu .menu-item > a:hover,
  #top-bar #navigation > a:hover {
    background: $card-bg-color;
  }

  #sidebar ul.related-pages li {
    border-bottom-color: $border-color;
  }

  // Form background
  .form-input,
  .search-input,
  [data-grav-field="array"] input,
  [data-grav-field="array"] textarea {
    background: $card-bg-color;
  }

  /*=================================================
  Side Bar
  =================================================*/
  // Change logo color
  .off-canvas .learn-sidebar .learn-brand #logo path {
    fill: $text-color !important;
  }

  // Sidebar separator
  .simplebar-content h5 {
    border-top-color: $border-color;
  }

  // Text in the sidebar during a search
  .off-canvas .learn-sidebar .learn-nav ul.searched a,
  .off-canvas .learn-sidebar .searchbox input {
    color: $text-color;
  }

  // Selected text in the sidebar
  .off-canvas .learn-sidebar .learn-nav ul li.active > a,
  // Placeholder of the searching bar
  .off-canvas .learn-sidebar .searchbox ::placeholder {
    color: $text-darker-color;
    background-color: transparent;
  }

  // Matching text in the sidebar
  .off-canvas .learn-sidebar .learn-nav ul.searched .search-match a:hover,
  .off-canvas .learn-sidebar .learn-nav ul.searched .search-match a {
    color: $link-color;
  }

  // Icons
  .off-canvas .learn-sidebar .learn-nav .read-icon,
  .off-canvas .learn-sidebar .searchbox {
    color: $text-color;
  }

  // Language selector
  .off-canvas .learn-sidebar .search-options .version-chooser select {
    color: $text-color;
  }

  // Default text color
  .off-canvas .learn-sidebar a,
  .off-canvas .learn-sidebar .learn-nav ul li a,
  .off-canvas .learn-sidebar .learn-nav ul li a > i,
  .off-canvas .learn-sidebar .learn-nav ul li a > span > b {
    color: $text-color;
  }

  .off-canvas .learn-sidebar a:hover {
    color: $text-darker-color;
  }

  /*=================================================
   App catalog
  =================================================*/

  #filter-app-icon {
    background-color: $card-bg-color;
  }

  #app-cards-list .app-title {
    color: $text-accent-color;
  }

  #app-cards-list .app-buttons {
    border-top: 0.05rem solid $card-bg-color;
  }

  #app-cards-list .app-buttons > .btn-default {
    color: $text-accent-color;
    background-color: $border-color;
  }
  
  #app-cards-list .app-buttons > .btn:first-child {
    border-right: 0.1rem solid $card-bg-color;
  }

  #app-cards-list .app-card {
    border-color: $border-color;
  }

  #app-cards-list .label {
    color: $text-darker-color;
    background-color: $card-bg-color;
  }

  /*=================================================
   Other
  =================================================*/

  // Html tables
  table tbody tr:nth-of-type(2n + 1) {
    background: $card-bg-color;
  }

  table td,
  table th {
    border-bottom-color: $border-color;
  }

  // Color utils
  .danger {
    background-color: $danger;
  }
  .warning {
    background-color: $warning;
  }
  .success {
    background-color: $success;
  }

  .page-toc {
    background-color: $card-bg-color;
  }

  .page-toc li,
  .page-toc li > a {
    color: $text-accent-color;
  }
}

/*=================================================
 Light mode specific
=================================================*/
body.light-mode {
  /* Give a gray background to the white logo*/
  img#whitelogo {
    background-color: gray;
    padding: 10px;
  }
}