I have css to create the background image in the header.
header.masthead.masthead-stacked{
background:url(‘https://millersseptic.com/wp-content/uploads/2018/05/NewPageHeader2018.png’) repeat-x;
}
On mobile would like the image will size correctly or replace with a different image for that screen size. Im not naming it correctly can you assist?
@media only screen and (max-width: 600px)
.masthead.masthead-stacked-background {
width: 100%;
height: auto;