chrome/browser/resources/user_manager/user_manager.css

/* Copyright 2013 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

/* Overrides for the desktop user manager screen. */
 .oobe-display {
  background-color: #eee;
}

.pod {
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  padding: 0;
  width: 180px;
}

.pod.hovered {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.pod .main-pane {
  width: 180px;
}

.pod .user-image {
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
  height: 180px;
  opacity: 1;
  width: 180px;
}

.pod .name {
  color: black;
  font-size: 15px;
  line-height: 20px;
  margin: 5px 0 5px;
}

/* For local/unlocked profiles, the name box becomes the focused element.
However, don't display the blue focus outline around it. */
.pod .name:focus {
  outline: none;
}

/* For local/unlocked profiles, always display the name and not the
sign-in button. */
.pod.need-password.focused .name {
  display: block;
}

.pod .locked-indicator {
  background-image: url('chrome://theme/IDR_ICON_PROFILES_LOCKED');
  background-repeat: no-repeat;
  height: 35px;
  left: 10px;
  position: absolute;
  top: 10px;
  width: 35px;
  z-index: 1;
}