Coding⏱️ 2 min read📅 2026-05-31

How to Fix: css3 drop shadow under another div, z-index not working

CSS3 drop shadow issue with z-index not working

Quick Answer: Use position: relative for both divs, then use position: absolute on the header div.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🔧 Proven Troubleshooting Steps
  3. 🎯 Final Words

To fix the issue of CSS drop shadow being covered by another div, you need to adjust the z-index and positioning of the elements. The problem lies in the fact that the middle div is covering the header div, even though it has a lower z-index.

🛑 Root Causes of the Error

  • Insufficient or incorrect z-index values.

🔧 Proven Troubleshooting Steps

Method 1: Positioning the Header Div Above the Middle Div

  1. Step 1: Add a position property to the middle div with value 'relative'.

Method 2: Using Absolute Positioning for the Header Div

  1. Step 1: Add a position property to the header div with value 'absolute' and specify its parent element using the 'top', 'left', 'right', or 'bottom' properties.

🎯 Final Words

To achieve the desired effect, you can use either of the above methods. Simply adjust the z-index values and positioning to suit your needs.

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