div.video_thumbnail {
  position: relative;
}
div.video_thumbnail img {
  width: 120px;
  height: 90px;
}
.video_thumbnail .overlay_button {
  position: absolute;
  left: 99px;
  top: 76px;
  width: 19px;
  height: 12px;
}
div.video_big {
  position: relative;
}
div.video_big img {
  width: 320px;
  height: 240px;
}
.video_big .overlay_button {
  position: absolute;
  left: 290px;
  top: 219px;
  width: 26px;
  height: 17px;
}
div.video_midsize {
  position: relative;
}
div.video_midsize img {
  width: 200px;
  height: 150px;
}
div.video_midsize_160 {
  position: relative;
}
div.video_midsize_160 img {
  width: 160px;
  height: 120px;
}
.video_midsize_160 .overlay_button {
  position: absolute;
  left: 140px;
  top: 106px;
  width: 19px;
  height: 12px;
}
.video_midsize .overlay_button {
  position: absolute;
  left: 179px;
  top: 136px;
  width: 19px;
  height: 12px;
}