/* Make player fill outer div */
.video-js {
  height: 100%;
  width: 100%;
}

/* Build outer div size of player */
.outer {
  width: 610px;
  height: 344px;
  border: 1px solid blue;
  position: relative;
}

/* Style inner div to center button */
.inner {
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  position: absolute;
}