.vjs-container {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding-top: calc( 75% + 2 * 32px ); /* 4:3 Aspect Ratio minus top/bottm info bar */
  border-radius: 5px;
} 

.vjs-iframe {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  border-radius: 5px;
}