Unable to remove the white space appearing below and after a div in HTML

I have been working on creating a website. You can find my JSFiddle here.

On my JSFiddle, you might notice a white gap above the black image labeled INSURANCE, and another white gap below it. I've tried various solutions but haven't been able to fix this issue. Any ideas on how to resolve it?

Below is the HTML and CSS code snippet:

@font-face {
                font-family: AvantGarde Demi;
                src: url(AvantGarde Demi.woff);
            }
            @font-face {
                font-family: AvantGarde;
                src: url(AvantGarde.woff);
            }
            ... (CSS code continues)
        
<html>
            <head>
            ... (HTML code continues)

Could someone point out where I may have made an error?

javascriptjqueryhtmlcss

Answer №1

Have you heard of "margin collapse"? You can read more about it here

Margin collapsing occurs when there is no border, padding, inline content, block_formatting_context created or clearance to separate the margin-top of a block from the margin-top of its first child block, or no border, padding, inline content, height, min-height, or max-height to separate the margin-bottom of a block from the margin-bottom of its last child. In such cases, those margins collapse and end up outside the parent element.

To address margin collapse, consider removing the top margin on the h3 that is the first child of that section.

Additionally, here is an example JavaScript code snippet:

$(document).ready(function() {
  $(".dropdown > a").click(function() {
    var $dropdownContent = $(this).siblings('.dropdown-content');
    
    $(this)
      .closest("ul")
        .find("li.dropdown ul.dropdown-content")
        .not($dropdownContent)
        .slideUp(200);
      
    $dropdownContent.slideToggle(200);
  });
});
@font-face {
    font-family: AvantGarde Demi;
    src: url(AvantGarde Demi.woff);
}
/* Additional CSS styles */

Answer №2

Although I can't say for certain, a quick solution would be to simply apply the following CSS to the categories division:

top: -25px;

Update: Michael has provided an excellent response to your query. Upon further research on margin collapse, I stumbled upon a valuable resource that I thought would benefit those interested in understanding why margins collapse: margin collapse

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