Please go to My Site → Customize → CSS (or Additional CSS), then add all of the following code to the bottom of that window.
/* This CSS forces the hero container on the homepage to 100% height, centers content inside.
* 10821328-hc (jw)
*/
.hero-container-inner .hentry {
height: 60%;
}
.front-page-content-area .with-featured-image .entry-header {
display: none;
}
.front-page-content-area .with-featured-image .entry-content .wp-block-image {
margin-bottom: 0;
}
.hero-container-inner .hentry .entry-content {
position: relative;
top: 50%;
transform: translateY(-50%);
}
@media screen and (min-width: 768px){
.front-page-content-area .with-featured-image {
width: 600px;
}
}
Tip: keep the /*
comment */
in the code to later know what this code does.