.ql-youtube-embed {
  display: block;
}
.ql-youtube-embed .ql-youtube-embed-container {
  position: relative;
  padding-bottom: 56.25%;
}
.ql-youtube-embed .caption {
  font-size: 14px;
  color: #767676;
  margin-bottom: 0;
  margin-top: 10px;
  line-height: 1.1;
  text-align: center;
}

/* Missing embed URL */
.acf-block-preview .ql-youtube-embed .ql-youtube-embed-empty {
  position: relative;
  display: block;
  min-height: 400px;
  background-color: #d4d4d4;
  padding: 10px;
  border: 2px dotted #767676;
}
.acf-block-preview .ql-youtube-embed .ql-youtube-embed-empty::after {
  content: "Please enter a valid YouTube URL or iFrame code";
  color: #212121;
  font-style: italic;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

@media only screen and (min-width: 1025px) {
  .acf-block-preview .ql-youtube-embed:not(.alignfull) {
    max-width: 83.33vw;
    margin-left: auto;
    margin-right: auto;
  }
}
@media only screen and (max-width: 768px) {
  .ql-youtube-embed .caption {
    font-size: 10px;
  }
}