.fviz_play_video {
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  _height: 100%
}

.fviz_playvideo_prev,
.fviz_playvideo_next {
  background: url(icon.png) no-repeat;
  position: absolute;
  z-index: 99;
  cursor: pointer;
  filter: alpha(opacity=70);
  opacity: .7
}

.fviz_playvideo_prev {
  background-position: 0 -60px;
  left: 4px
}

.fviz_playvideo_next {
  background-position: 0 0;
  right: 25px
}