/* Consistent padding below the fixed nav bar */
body{
  padding:70px 40px 20px;
  font-family:Arial,sans-serif;
}

/* Centre the video and keep it responsive */
.video-wrapper{
  width:100%;                /* shrink inside the body padding */
  max-width:960px;           /* never exceed 960 px */
  margin:0 auto 20px;        /* centre horizontally, 20 px gap below */
}
.video-wrapper video{
  width:100%;
  height:auto;
  display:block;
}

/* Text block */
.video-description{
  max-width:960px;
  margin:0 auto 20px;        /* same centring */
  font:1.05em/1.5 'Georgia',serif;
  color:#371d10;
  text-align:center;         /* restore original alignment */
}