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Asked: 2026-05-26T08:43:51+00:00

I am still new to CSS/Javascript/JQuery. I am defining a couple of colors as

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I am still new to CSS/Javascript/JQuery. I am defining a couple of colors as classes in a css file. Then, I want to use one of them as the background color of a HTML page:

.wf_blue { color:rgb(2, 12, 40); }
.wf_white { color:rgb(255, 252, 247); }

body{background-color: wf_blue;}

The above does not work. I tried with JQuery, but unsuccessfully. I have seen other questions on SO, but could not figure out the solution. What am I doing wrong?

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1 Answer

  1. Editorial Team

    First, the CSS should be:

    .wf_blue { background-color: rgb(2, 12, 40); }
.wf_white { background-color: rgb(255, 252, 247); }

    In plain HTML

    <body class="wf_blue">

    With jQuery:

    $(document).ready(function() {
  $("body").addClass("wf_blue");
});
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