Overleaf/services/web/frontend/stylesheets/pages/editor/editor-floating-menu.scss

.editor-floating-menu {
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 4px 0 #1e253029;
  background-color: var(--dropdown-background);
  color: var(--dropdown-text-color);
  border: 1px solid var(--border-divider);
  border-radius: var(--border-radius-base);
  padding: var(--spacing-02);
  gap: var(--spacing-02);
  transition: opacity 0.05s ease-in;
  opacity: 0;
}

.editor-floating-menu-visible {
  opacity: 1;
}

// Module actions self-gate and may render nothing, so hide the pill when it
// has no buttons rather than showing an empty box.
.editor-floating-menu:not(:has(button)) {
  display: none;
}

.editor-floating-menu-button {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: inherit;
  color: inherit;
  border: none;
  padding: var(--spacing-01);
  border-radius: var(--border-radius-base);
  cursor: pointer;

  &:hover {
    background-color: var(--dropdown-background-hover);
  }
}

.editor-floating-menu-divider {
  height: 1px;
  background-color: var(--dropdown-border-divider);

  // Hide dividers at the menu edges, or with no following button (e.g. a module
  // action rendered nothing). `~ * button` keeps it wrapper-agnostic.
  &:first-child,
  &:last-child,
  &:not(:has(~ button, ~ * button)) {
    display: none;
  }
}

// Flatten AppWritefullContainer's `<div class="writefull">` wrapper so the button
// is a direct flex item of the menu.
.editor-floating-menu .writefull {
  display: contents;
}

@include theme('default') {
  .cm-tooltip .editor-floating-menu {
    border-color: var(--border-primary);
  }
}