.a20210930-content { width: 100%; float: left; margin-bottom: 15px; font-size: 20px; line-height: 30px;}
.a20210930-video { width: 100%; float: left; text-align: center; }
.a20210930-img { width: 48%; float: left; margin: 1%; }
@media (max-width: 1200px) {
.a20210930-img { width: 100%; float: left; margin: 0%; }
iframe {
    max-width: 100% !important;
    width: 100% !important;
}
}
@media (max-width: 768px) {
.a20210930-img { width: 100%; float: left; margin: 0%; }
iframe {
    max-width: 100% !important;
    width: 100% !important;
height: 100% !important;
}
.a20210930-video { width: 100% !important; float: left; text-align: center; height: 400px !important; margin-bottom: 1%; }
}