How to Create a Triangular Tooltip Tail with Shadow in Pure CSS?

How to Create a "Tooltip Tail" Using Pure CSS

Problem Statement:

A user is interested in recreating a tooltip effect that features a triangular "tail" pointing towards the tooltip content using CSS. They also inquire about the possibility of implementing this effect with a shadow.

Solution:

Creating the Tail Using Only CSS:

The provided code demonstrates how to create a triangular tooltip tail using solely CSS:

<div class="tooltiptail"></div>

.tooltiptail {
    display: block;
    border-color: #ffffff #a0c7ff #ffffff #ffffff;
    border-style: solid;
    border-width: 20px;
    width: 0px;
    height: 0px;
}

Creating the Tail with a Shadow:

To create a shadow on the tail, add the following CSS code:

#tailShadow {
    box-shadow: 0 0 10px 1px #555;
}

Cross-Browser Compatibility:

The provided solution supports cross-browser compatibility for the latest versions of browsers.

Extending the Effect:

To extend the effect to resemble the provided image:

1. Without Shadow:

   • Use multiple divs with different border colors and widths to create the illusion of depth.

2. With Shadow:

   • Use a technique known as "box-shadow fragmentation" to simulate multiple shadows.

Additional Tips:

• Position the tooltip tail absolutely relative to the tooltip content using position: absolute.
• Use transparent borders to create the triangular shape.
• Adjust the border-width, border-color, and position properties as needed to achieve the desired appearance.

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