.vidcont {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
}

.vid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

#content { width: 65%; }

#sub-content { width: 57.5%; }

@media only screen and (max-width: 415px) {
  #content { width: 100%; }
}