Mobile background image not resizing

Site URL: https://www.healwithmerva.com/

Hello @tuanphan 

I have the same issue. My background image is not resizing correctly on mobile. 

CSS fix?

Any help I would appreciate. Thank you. 

https://www.healwithmerva.com/

I see you solved with this CSS?

@media screen and (max-width: 767px) {
    .homepage #page section:first-child {
        min-height:30vh !important;
        height: 50vh
    }
}

Also, do you want fix this?

(Tablet-Homepage) Resize image?