.img_circle{
  width: 32%;
  height: auto;
  margin: 0 auto;
}
.video_frame{
  width: 90%;
  margin: 100px 5% 100px 5%;
}

@media screen and (max-width: 768px) {
  .img_circle{
    width: 75%;
    height: auto;
    margin: 10px 12.5%;
  }
}