the custom css code to turn off the background image for the image slider block

I've been trying to find online how to properly code the advance custom class setting for the image slider background. I have a full page background image that the image slider in the Elemental Theme covers up. I found the its in the class .ccm-image-slider. I have tried a few ways to have no background but nothing is working.
Thanks, Mark

here is the general code:
.ccm-image-slider{background-image: none;important!}

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MrKDilkington replied on at Permalink Reply
Hi RedWings67,

Try this:
div.ccm-page .ccm-image-slider-container {
    background: none;
    border-bottom: none;