4k iny background obrazok

[JurajSlovakID]

Dobry den,
potrebujem css kod pre background kde pri 4k 3840x2160 sa loadne zvlastny 4k background.
Zatial to mam takto:
body {
background-image: url("mojastranka");
background-size:100%;
background-repeat: repeat-y;
}

[faugusztin]

Odpoved na tvoju otazku je media query:
https://www.w3schools.com/cssref/css3_pr_mediaquery.asp

[JurajSlovakID]

diky,
mam to takto:
/* the code for all screens */
body {
background-image: url("bghd.png");
background-size:100%;
background-repeat: repeat-y;
}


/* the code for all above 1920px */
@media only screen and (min-width: 1920px) {
body {
background-image: url("bg4k.png");
background-size:100%;
background-repeat: repeat-y;
}
}