chrome/browser/resources/md_history/shared_style.html

<link rel="import" href="chrome://history/shared_vars.html">

<dom-module id="shared-style">
  <template>
    <style>
      [hidden] {
        display: none !important;
      }

      .card-title {
        align-items: center;
        border-bottom: 1px solid var(--card-border-color);
        border-radius: 2px 2px 0 0;
        color: var(--primary-text-color);
        display: flex;
        font-size: 14px;
        font-weight: 500;
        height: 48px;
        line-height: 48px;
        overflow: hidden;
        padding: 0 20px;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .centered-message {
        align-items: center;
        color: #b4b4b4;
        display: flex;
        flex: 1;
        font-size: 14px;
        font-weight: 500;
        height: 100%;
        justify-content: center;
      }

      .menu-item {
        -webkit-user-select: none;
        cursor: pointer;
        font: inherit;
        white-space: nowrap;
      }

      .website-icon {
        -webkit-margin-end: 16px;
        background-repeat: no-repeat;
        background-size: 16px;
        height: 16px;
        width: 16px;
      }

      .website-title {
        color: var(--primary-text-color);
        overflow: hidden;
        text-decoration: none;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      button.icon-button {
        background: none;
        border: none;
        height: 36px;
        outline: none;
        width: 36px;
      }

      button.icon-button iron-icon {
        color: var(--secondary-text-color);
        height: 20px;
        width: 20px;
      }

      button.more-vert-button {
        height: 36px;
        padding: 6px;
        width: 36px;
      }

      button.more-vert-button div {
        border: 2px solid var(--secondary-text-color);
        border-radius: 2px;
        margin: 1px 10px;
        pointer-events: none;
        transform: scale(0.8);
      }
    </style>
  </template>
</dom-module>