systrace/catapult/third_party/polymer/components/paper-menu/paper-menu-shared-styles.html

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<link rel="import" href="../iron-flex-layout/iron-flex-layout.html">
<link rel="import" href="../paper-styles/color.html">
<link rel="import" href="../paper-styles/default-theme.html">

<dom-module id="paper-menu-shared-styles">
  <template>
    <style>
      /* need a wrapper element to make this higher specificity than the :host rule in paper-item */
      .selectable-content > ::content > .iron-selected {
        font-weight: bold;

        @apply(--paper-menu-selected-item);
      }

      .selectable-content > ::content > [disabled] {
        color: var(--paper-menu-disabled-color, --disabled-text-color);
      }

      .selectable-content > ::content > *:focus {
        position: relative;
        outline: 0;

        @apply(--paper-menu-focused-item);
      }

      .selectable-content > ::content > *:focus:after {
        @apply(--layout-fit);
        background: currentColor;
        opacity: var(--dark-divider-opacity);
        content: '';
        pointer-events: none;

        @apply(--paper-menu-focused-item-after);
      }

      .selectable-content > ::content > *[colored]:focus:after {
        opacity: 0.26;
      }
    </style>
  </template>
</dom-module>