Can you try change this CSS:
.dynamic-content-template > .gb-container > .gb-inside-container > .gb-container > .gb-inside-container > .dynamic-entry-excerpt > .read-more-container {
margin-top: auto;
}
to this:
.dynamic-content-template > .gb-container > .gb-inside-container > .gb-container > .gb-inside-container > .dynamic-entry-excerpt > :is(.read-more-container, .read-more-button-container) {
margin-top: auto;
}