suite/themes/modern/global/appPicker.css

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#app-picker {
  width: 57ch;
}

#content-description {
  font-weight: bold;
}

.listitem-iconic {
  border-bottom: 1px dotted #C7D0D9;
}

#content-icon,
.listcell-icon {
  margin: 5px;
  width: 32px;
  height: 32px;
}

.listcell-label {
  padding: 5px;
}