i added image path to fxmanifest :
ui_page "html/index.html"
files
{
'html/index.html',
'html/style.css',
'html/images/background.jpg',
'html/script.js'
}
and html :
<div class="container"></div>
css :
.container {
font-size: 20px;
padding: 25px;
color: white;
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
background-color: rgb(44, 44, 44);
background-image: url(../images/background.jpg);
height: 350px;
width: 350px;
border: 2px solid aliceblue;
border-radius: 7px;
box-shadow: 0 2px 8px #00e1ff;
}
but there is no background image in result