main {
  padding-left: 10px;
  padding-right: 10px;
}

.video-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.video-container {
  flex: 1 0 560px;
  max-width: 560px;
  margin: 1%;
}

@media only screen and (max-width: 600px) {
  .video-container {
    max-width: 100%;
    margin: 2%;
  }
}

.video-content {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
}

.video-content iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}