Change image size on mobile

Site URL: http://www.harperhomesinc.ca/22-clarke-st-n-clifford-ontario

I'm having difficulty adjusting the image at the top of the website when viewed on mobile. Any help or direction would be greatly appreciated

I think you can place with min-height attribute of the section, I used Chrome Find Squarespace Ids to get the section id

@media only screen and (max-width: 600px) {
      section[data-section-id="5fa42e7300c2ee4d97e45bf4"] {
        min-height: 50vh !important;
    }
}

Amazing! Thanks so much

Is it possible to keep the image full width and behind the nav menu?

@media only screen and (max-width: 600px) {
  body[data-menu-overlay-theme-switcher="true"]:not(.header--menu-open) .burger-inner .top-bun, body[data-menu-overlay-theme-switcher="true"]:not(.header--menu-open) .burger-inner .patty, body[data-menu-overlay-theme-switcher="true"]:not(.header--menu-open) .burger-inner .bottom-bun {
    background: #fff;
    height: 3px;
  }
  section[data-section-id="5fa42e7300c2ee4d97e45bf4"] {
          min-height: 50vh !important;
          padding-top: 0 !important;
      }
  section[data-section-id="5fa42e7300c2ee4d97e45bf4"] .section-background {
        top: 0 !important;
        left: 0 !important;
        bottom: 0 !important;
        right: 0 !important;
  }
}