I created a slider using Slick.js and I'm using centerMode: true. I want to make the slides on the right and left sides of the slideshow transparent with opacity 0.5, but it's not working like image below
I want my slider look like this:

*image above, I hold the slider with the cursor to give an idea of what I want.
if slideToShow: 3 can be appropriate. but I want 4 slides with opacity: 1 in the middle.
How can I fix this problem?
This is my Codepen
HTML
<div id="artSlider">
<div class="item">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quo, quis?
</div>
<div class="item">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quo, quis?
</div>
<div class="item">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quo, quis?
</div>
<div class="item">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quo, quis?
</div>
<div class="item">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quo, quis?
</div>
<div class="item">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quo, quis?
</div>
</div>
SCSS
.item{
background-color:#16B345;
margin:0 5px;
padding: 40px 20px;
}
#artSlider{
.item{
&.slick-slide{
opacity: 0.5;
&.slick-active{
opacity: 1;
}
}
}
}
JS Function
$('#artSlider').slick({
// autoplay: true,
centerMode: true,
centerPadding: '100px',
slidesToShow: 4,
arrows: false,
dots: false,
});
