systrace/catapult/third_party/polymer/components/paper-item/paper-item-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">
<link rel="import" href="../paper-styles/typography.html">

<dom-module id="paper-item-shared-styles">
  <template>
    <style>
      :host, .paper-item {
        display: block;
        position: relative;
        min-height: var(--paper-item-min-height, 48px);
        padding: 0px 16px;
      }

      .paper-item {
        @apply(--paper-font-subhead);
        border:none;
        outline: none;
        background: white;
        width: 100%;
        text-align: left;
      }

      :host([hidden]), .paper-item[hidden] {
        display: none !important;
      }

      :host(.iron-selected), .paper-item.iron-selected {
        font-weight: var(--paper-item-selected-weight, bold);

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

      :host([disabled]), .paper-item[disabled] {
        color: var(--paper-item-disabled-color, --disabled-text-color);

        @apply(--paper-item-disabled);
      }

      :host(:focus), .paper-item:focus {
        position: relative;
        outline: 0;

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

      :host(:focus):before, .paper-item:focus:before {
        @apply(--layout-fit);

        background: currentColor;
        content: '';
        opacity: var(--dark-divider-opacity);
        pointer-events: none;

        @apply(--paper-item-focused-before);
      }
    </style>
  </template>
</dom-module>