site-header.css in Drupal 10

Site header.

File

core/themes/olivero/css/components/site-header.css

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

/**
 * @file
 * Site header.
 */

/*
 * Media query breakpoints.
 * Processed by postcss/postcss-custom-media.
 */

/* Navigation related breakpoints */

/* Grid related breakpoints */

/* Grid shifts from 6 to 14 columns. */

/* Width of the entire grid maxes out. */

.site-header {
  position: relative;
  /**
   * Ensure mobile site header is always above other elements including
   * contextual links, quick-edit, and Tour.
   */
  z-index: 101
}

@media (min-width: 75rem) {

.site-header {
    /* Necessary to keep the content from jumping up when header transitions to fixed. */
    min-height: var(--site-header-height-wide);
    border-bottom: solid 1px transparent /* Will show in Windows high contrast mode. */
}
  }

.site-header__initial {
  position: relative;
  z-index: 102;
  display: flex;
  align-items: flex-end;
  align-self: stretch;
  background-color: var(--color--primary-50);
}

.site-header__fixable {
  display: flex;
  align-items: flex-end;
  transition: all 0.5s
}

@media (min-width: 75rem) {
      .site-header__fixable.is-fixed:not(.is-expanded) {
        pointer-events: none;
      }
    }

@media (min-width: 75rem) {
    body:not(.is-always-mobile-nav) .site-header__fixable.is-fixed {
      position: fixed;
      z-index: 102; /* Appear above body content that is position: relative */
      top: calc(var(--drupal-displace-offset-top, 0px) - var(--sp4));
      max-width: var(--max-bg-color);
    }
}

.site-header__inner {
  z-index: 1; /* Appear in front of Drupal's tabs. */
  flex-grow: 1;
  width: calc(100vw - var(--content-left) - var(--drupal-displace-offset-left, 0px) - var(--drupal-displace-offset-right, 0px));
  background: var(--color--white);
}

/*
 * Only apply transition styles when JS is loaded. This
 * works around https://bugs.chromium.org/p/chromium/issues/detail?id=332189
 */

@media (min-width: 75rem) {

html.js body:not(.is-always-mobile-nav) .site-header__inner {
    transition: opacity 0.3s, transform 0.3s, box-shadow 0.3s
}
  }

@media (min-width: 75rem) {

.site-header__fixable.is-expanded .site-header__inner {
    box-shadow: -36px 1px 36px rgba(0, 0, 0, 0.08) /* LTR */
}
  }

@media (min-width: 75rem) {

[dir="rtl"] .site-header__fixable.is-expanded .site-header__inner {
    box-shadow: 36px 1px 36px rgba(0, 0, 0, 0.08)
}
  }

/* Hide the desktop nav when it's fixed and not active. */

@media (min-width: 75rem) {

body:not(.is-always-mobile-nav) .site-header__fixable.is-fixed:not(.is-expanded) .site-header__inner {
    transform: translateX(-101%); /* LTR */
    opacity: 0
}
  }

@media (min-width: 75rem) {

[dir="rtl"] body:not(.is-always-mobile-nav) .site-header__fixable.is-fixed:not(.is-expanded) .site-header__inner {
    transform: translateX(101%)
}
  }

.site-header__inner__container {
  display: flex;
  justify-content: space-between;
}