Semantic-UI: How to change dimmer background color?-open source projects Semantic-Org/Semantic-UI

I want to change color of dimmer of my modal, but I can’t! what should I do?


  
  
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sth

Nope Yep, that's me

I tried for example following code, yet, no change!

$('.ui.modal').each(function() {
    $(this).modal({allowMultiple: true}).modal('show').css('background-color', 'yellow');
});