chrome/browser/resources/chromeos/cloud_upload/file_handler_card.html

<style>
  #card {
    align-items: center;
    background-color: var(--cros-textfield-background-color);
    border: 2px solid transparent;
    cursor: pointer;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    padding: 16px;
    user-select: none;
  }

  #card[checked] {
    border: 2px solid var(--cros-focus-ring-color);
  }

  .margin-top {
    margin-block-start: 8px;
  }

  .round-top {
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
  }

  .round-bottom {
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
  }

  #card.separator-bottom {
    border-bottom: 1px solid var(--cros-separator-color);
  }

  #content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    max-width: 344px;
  }

  #icon {
    background-size: 32px;
    border-radius: 50%;
    box-sizing: border-box;
    height: 32px;
    margin-inline-end: 16px;
    width: 32px;
  }

  #icon.docs,
  #icon.sheets,
  #icon.slides,
  #icon.office {
    background: no-repeat center var(--cros-bg-color-elevation-3);
    background-size: 20px;
    border: 1px solid var(--cros-separator-color);
  }

  #icon.docs {
    background-image: url(../icons/docs.svg);
  }

  #icon.sheets {
    background-image: url(../icons/sheets.svg);
  }

  #icon.slides {
    background-image: url(../icons/slides.svg);
  }

  #icon.office {
    background-image: url(../icons/office.svg);
  }

  #title {
    color: var(--cros-text-color-primary);
    font: var(--cros-body-1-font);
  }

  #description {
    color: var(--cros-text-color-secondary);
    font: var(--cros-body-2-font);
  }

  #right-icon {
    -webkit-mask-image: url(../icons/list_check.svg);
    -webkit-mask-position: center;
    -webkit-mask-repeat: no-repeat;
    background: no-repeat center var(--cros-icon-color-selection);
    border-radius: 50%;
    box-sizing: border-box;
    height: 20px;
    margin-inline-start: 16px;
    width: 20px;
  }

  #right-icon.chevron {
    -webkit-mask-image: url(../icons/chevron.svg);
    -webkit-mask-size: 90%;
    background: no-repeat center var(--cros-icon-color-primary);
  }

  .chevron[expanded] {
    transform: rotate(180deg);
  }

  .chevron:not([expanded]) {
    transform: rotate(0deg);
  }

  #card:not([checked]) > #right-icon:not(.chevron) {
    visibility: hidden;
  }
</style>

<div id="card">
  <div id="icon"></div>
  <div id="content">
    <div id="title"></div>
    <div id="description"></div>
  </div>
  <div id="right-icon"></div>
</div>