style.css

/**
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

body {
  font-family: arial, verdana, sans-serif;
  overflow: hidden;
}

header, footer { text-align:center; width: 100%; }

header {
  height: 40px;
  font-size: 40px;
  font-weight: bold;
  margin-top: 20px;
  margin-bottom: 20px;
}

footer {
  margin-top: 20px;
}

#ima-sample-container {
  margin-left: auto;
  margin-right: auto;
  width: 728px;
}

.urlLink {
  color: blue;
  text-decoration: underline;
  cursor: pointer;
}

#ima-sample-videoplayer {
  position: relative;
  background-color: #000;
  border-radius: 5px;
  box-shadow: 0px 0px 20px rgba(50, 50, 50, 0.95);
  border: 2px #ccc solid;
  width: 640px;
  height: 360px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 20px;
}

#content_video {
  overflow: hidden;
}

#ima-sample-playlistDiv {
  height: 122px;
  width: 224px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 10px;
  margin-bottom: 10px;
  text-align: center;
}

.ima-sample-playlistItem {
  height: 122px;
  width: 102px;
  float: left;
  margin-right: 10px;
  cursor: pointer;
}

.ima-sample-playlistImg {
  border: 1px solid;
}

#ima-sample-console {
  font-family: courier, monospace;
  font-size: 12px;
  margin-top: 20px;
  height: 200px;
  width: 630px;
  padding: 5px;
  border: 1px #ccc solid;
  overflow-y: scroll;
  margin-left: auto;
  margin-right: auto;
}

#ima-sample-companionDiv {
  width: 728px;
  height: 90px;
  margin-top: 20px;
}