Changing the alignment of checkboxes in HTML: a step-by-step guide

I'm encountering an obstacle when trying to adjust the alignment of checkboxes in my HTML code.

Here is the structure of my HTML:

<ol id="menutree">
  <li>

    <label class="menu_label" for="c1">Menu Gen14 Am0a1</label>
    <input type="checkbox" id="c1" />                             <!-- input must follow label for safari -->
    <ol>
      <li>
        <label for="c2" class="menu_label">Menu Am1a1</label>
        <input type="checkbox" id="c2" />
        <ol>
          <li class="page"><a href="#">Page Ap1a1</a></li>
          <li class="page"><a href="#">Page Ap1a2</a></li>
          <li class="page"><a href="#">Page Ap1a3</a></li>
        </ol>
      </li>
      <li>
        <label for="c3" class="menu_label">Menu Am1b1</label>
        <input type="checkbox" id="c3" />
        <ol>
          <li class="page"><a href="#">Page Ap1b1</a></li>

          <li>
            <label for="c4" class="menu_label">Menu Am2b1 </label>
            <input type="checkbox" id="c4" />
            <ol>
              <li class="page"><a href="#">Page Ap2b1</a></li>
            </ol></li>
        </ol></li>
    </ol></li>

  <li>
    <label class="menu_label" for="c5">Menu Bm0a1</label>
    <input type="checkbox" id="c5" />
    <ol>
      <li>
        <label for="c6" class="menu_label">Menu Bm1a1</label>
        <input type="checkbox" id="c6" />
        <ol>
          <li class="page"><a href="#">Page Bp1a1</a></li>
        </ol>
      </li>
      <li>
        <label for="c7" class="menu_label">Menu Bm1b1</label>
        <input type="checkbox" id="c7" />
        <ol>
          <li class="page"><a href="#">Page Bp1b1</a></li>
          <li>
            <label for="c8" class="menu_label">Menu Bm2b1</label>
            <input type="checkbox" id="c8" />
            <ol>
              <li class="page"><a href="#">Page Bp2b1</a></li>
            </ol></li>
        </ol></li>
    </ol></li>

</ol>

Furthermore, here is the relevant CSS code:

#menutree li {
   list-style: none;          
         }

   li .menu_label + input[type=checkbox] {
      opacity: 2;             
     }                     

    li .menu_label {
      cursor: pointer;        
    }                         

      li .menu_label + input[type=checkbox] + ol > li
         {
            display: none;         
         }

      li .menu_label + input[type=checkbox]:checked + ol > li
         {
           display: block;         
         }

The issue at hand is that the checkboxes are appearing after the labels and I'm seeking a solution to have them displayed before the labels.

If anyone has any insights on how to resolve this matter, your assistance would be greatly appreciated while ensuring the functionality remains intact as previously stated. Thank you.

For reference, here is the link to the jsfiddle: jsfiddle

Answer №1

This method utilizes the adjacent sibling combinator +. Therefore, in order for

input[type=checkbox] + foo

to function correctly, the element foo must come directly after the input element. If you switch the positions of the input and the label in your HTML code, this condition will not be met.

To fix this issue, you can adjust the selectors like so:

input[type=checkbox] + label + foo

This allows for an HTML structure similar to

<input>
<label>
<foo>

whereby the checked input will still impact the styling of the foo element or its children.
Rather than applying to foo elements right after an input, it now applies to foo elements that immediately follow a label which follows an input – the same concept, with an extra "step" included.

I have made changes to your fiddle to demonstrate this: http://jsfiddle.net/6LKc6/302/

(Your original fiddle had a complete HTML document in the HTML panel, although this is unnecessary and counterproductive. In the future, please only include the body contents as advised by jsfiddle.)

Your original fiddle had a comment following the input fields,

<input type="checkbox" id="c1" /> <!-- input must follow label for safari -->

I am unsure of the purpose of this comment and do not currently have access to Safari for testing. Please verify on your own if the modified version functions correctly in Safari.
(There may be issues in certain older browser versions when using pseudo classes and the adjacent sibling combinator together like this – if this was relevant, then the original version likely would not have worked in those browsers.)

Answer №2

you are composing in that manner

<label for="c2" class="menu_label">Menu Am1a1</label>
    <input type="checkbox" id="c2" />

adjust to

<input type="checkbox" id="c2" />
<label for="c2" class="menu_label">Menu Am1a1</label>

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