body, .krungsri-special {
    padding-top: 0px !important;
    height: 100vh;
    margin:0;
}

body, .krungsri-special {
    background-image: var(--bgMobileUrl);
    overflow-y: hidden;
    background-size: cover;
}

#special-page {
    width: 100%;
    min-height: 100vh;
} 

@media (min-width: 1024px) {

    body, .krungsri-special {
        background-size: cover;
        height: auto;
        background-image: var(--bgDesktopUrl);
    }
}

@media screen and (max-width:768px) {
    body, .krungsri-special {
        background-size: cover;
        overflow-y: hidden;
        background-image: var(--bgMobileUrl);
    }
}