header-sticky-toggle.css in Drupal 9

Sticky Header Toggle Button.

This button shows on the left hand side of the header (in LTR layouts), and toggles fixing the header to the top of the viewport.

File

core/themes/olivero/css/components/header-sticky-toggle.css

/*
 * DO NOT EDIT THIS FILE.
 * See the following change record for more information,
 * https://www.drupal.org/node/3084859
 * @preserve
 */

/**
 * @file
 * Sticky Header Toggle Button.
 *
 * This button shows on the left hand side of the header (in LTR layouts), and
 * toggles fixing the header to the top of the viewport.
 */

.sticky-header-toggle {
  display: none
}

@media (min-width: 75rem) {

.sticky-header-toggle {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 5.625rem;
    height: 6.75rem;
    pointer-events: none;
    opacity: 0;
    border: 0;
    outline: 0;
    background-color: #2494db
}

    .sticky-header-toggle:focus {
      cursor: pointer;
      pointer-events: auto;
      opacity: 1;
      outline: solid 2px #fff;
      outline-offset: -4px;
    }
  }

@media (min-width: 75rem) {

body:not(.is-always-mobile-nav) .is-fixed .sticky-header-toggle {
    visibility: visible
}
  }

@media (min-width: 75rem) {

body.is-always-mobile-nav .sticky-header-toggle {
    visibility: hidden
}
  }

.sticky-header-toggle__icon {
  position: relative;
  width: 2.25rem;
  height: 1.3125rem;
  transition: opacity 0.2s;
  pointer-events: none;
  transform-style: preserve-3d
}

.sticky-header-toggle__icon > span {
    display: block;
    height: 0;
    /* Intentionally not using CSS logical properties. */
    border-top: solid 3px #fff
  }

[dir="ltr"] .sticky-header-toggle__icon > span:nth-child(1) {
      left: 0
}

[dir="rtl"] .sticky-header-toggle__icon > span:nth-child(1) {
      right: 0
}

.sticky-header-toggle__icon > span:nth-child(1) {
      position: absolute;
      top: 0;
      width: 100%;
      height: 0;
      transition: transform 0.2s;
      background-color: #fff;
    }

[dir="ltr"] .sticky-header-toggle__icon > span:nth-child(2) {
      left: 0
}

[dir="rtl"] .sticky-header-toggle__icon > span:nth-child(2) {
      right: 0
}

.sticky-header-toggle__icon > span:nth-child(2) {
      position: absolute;
      top: 0.5625rem;
      width: 100%;
      height: 0;
      transition: opacity 0.2s;
      background-color: #fff;
    }

[dir="ltr"] .sticky-header-toggle__icon > span:nth-child(3) {
      left: 0
}

[dir="rtl"] .sticky-header-toggle__icon > span:nth-child(3) {
      right: 0
}

.sticky-header-toggle__icon > span:nth-child(3) {
      position: absolute;
      top: auto;
      bottom: 0;
      width: 100%;
      height: 0;
      transition: transform 0.2s;
      background-color: #fff;
    }

.is-fixed .sticky-header-toggle {
  cursor: pointer;
  pointer-events: auto;
  opacity: 1;
}

[aria-checked="true"] .sticky-header-toggle__icon > span:nth-child(1) {
    top: 0.5625rem;
    transform: rotate(-45deg);
  }

[aria-checked="true"] .sticky-header-toggle__icon > span:nth-child(2) {
    opacity: 0;
  }

[aria-checked="true"] .sticky-header-toggle__icon > span:nth-child(3) {
    top: 0.5625rem;
    transform: rotate(45deg);
  }