ImproperUI Forged

Add Svg Render

div #block { 
    background-color: #00000000; 
    background-image: "$svg{iui_forge:textures/svg/test.svg, 100%, 100%}"; 
    size: 20;
}

or  或

div #block { 
    background-color: #00000000; 
    background-image: "$svg{iui_forge:textures/svg/test.svg, 100%}";  
    size: 20;
}

or  或

div #block { 
    background-color: #00000000; 
    background-image: "$svg{iui_forge:textures/svg/test.svg}";  
    size: 20;
}

If your .svg is modified through the resource pack, the in-game rendering will change with F3 + T.