.archevio_modeler_container_main_306 { overflow: hidden; position: relative; width:100%;  max-height: 100%; }
.archevio_modeler_container_main_306::after { padding-top: 60%; display: block; content: ''; max-height: 100%; }
.archevio_modeler_container_main_306 iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }