#video_column {
  position: relative;
}

#video_tagline {
  top: 10% !important;
  transform: translate(-50%, -75%);
}

.text-effect {
  color: white;
  text-shadow: -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000, 3px 3px 5px rgba(0,0,0,0.5);
}

@media (max-width: 768px) {
  #big {
    display: none;
  }
}