クラス行の「div」にクラスを動的に追加するには、jquery スクリプトが必要です。余白を設定するためのクラスです。クラス行に 2 つの div がある場合は、最初の 1 つだけにクラスを追加します。3 つの 'div' がある場合は、2 つにクラスを追加し、3 番目を避けます。
したがって、実際の必要性は、「行」の div を計算し、最後のクラス以外のクラスを div に追加することです。これが私のhtmlです:-
<div class="row">
<div class="two-col">
<h3>Header 2/3 Column</h3>
<p>Kidney Cancer Canada is a charitable patient-led support organization established to improve the quality of life for patients and their
families living with kidney cancer. <a href="#">Kidney Cancer Canada</a> advocates for access to netreatments, provides support and information to patients,
funds much-needed research, and works to increase awareness of kidney cancer as a significant health issue. Our goal is to help patients navigate
through information about their disease and ensure they have access to new treatment options available to them.</p>
</div>
<div class="one-col">
<h3>Header 1/3 Column</h3>
<p>KCC hosts patient and caregiver education meetings and webcasts from locations all across canada. Atttending meetings in-person provides an
excellent oppurtunity to meet other kidney cancer patients, caregivers, and healthcare professionals</p>
</div>
<div class="clear"></div>
</div>
<div class="row">
<div class="one-col">
<h3>Header 1/3 Column</h3>
<p>KCC hosts patient and caregiver education meetings and webcasts from locations all across canada. Atttending meetings in-person provides an
excellent oppurtunity to meet other kidney cancer patients, caregivers, and healthcare professionals</p>
</div>
<div class="one-col">
<h3>Header 1/3 Column</h3>
<p>KCC hosts patient and caregiver education meetings and webcasts from locations all across canada. Atttending meetings in-person provides an
excellent oppurtunity to meet other kidney cancer patients, caregivers, and healthcare professionals</p>
</div>
<div class="one-col">
<h3>Header 1/3 Column</h3>
<p>KCC hosts patient and caregiver education meetings and webcasts from locations all across canada. Atttending meetings in-person provides an
excellent oppurtunity to meet other kidney cancer patients, caregivers, and healthcare professionals</p>
</div>
<div class="clear"></div>
</div>