https://www.youtube.com/watch?si=NP9UxFyyK10WDjRn&v=E84ZmKiPYJM&feature=youtu.be

.post-template-default .xwsrc-block-content-block .wp-block-column.flex-basis-50.push–25.column–content {
flex: 100%;
margin-left: 0;
}