logseq/src/main/frontend/components/header.css

.cp__header {
  @apply shadow z-10 h-12 pr-4;

  display: flex;
  align-items: center;
  flex: 0 0 auto;
  background-color: var(--ls-primary-background-color, #fff);

  position: fixed;
  width: 100%;
  top: 0;
  left: 0;

  user-select: none;
  .it svg {
      transform: scale(0.8);
  }
}

.cp__header-left-menu {
  @apply px-4 mr-4;
  border-right: 1px solid var(--ls-secondary-background-color);
  color: var(--ls-link-text-color);
  display: block;
  height: 100%;
}

.cp__header-left-menu:focus {
  @apply outline-none;
  background: var(--ls-menu-hover-color);
}

.cp__header-logo {
  @apply px-4 mr-3;
  height: 100%;
}

.cp__header-logo,
.cp__right-menu-button {
  opacity: 0.7;
  display: none;
}

.cp__header-logo:hover,
.cp__right-menu-button:hover {
  opacity: 1;
}

.cp__header-logo-img {
  width: 24px;
  height: 24px;
}

.cp__right-menu-button {
  @apply ml-3;
}

@screen sm {
  .cp__header {
    @apply shadow-none;
  }

  .cp__header-left-menu {
    display: none;
  }

  .cp__header-logo {
    display: flex;
    align-items: center;
  }

  .cp__right-menu-button {
    display: block;
  }
}