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CSS Transparent Border

We will understand the CSS transparent border. The CSS border property is utilized to create a transparent border. Let us first understand the CSS border property.

CSS Border

The CSS border attribute is employed to include a border around the HTML element. It serves as a concise method that specifies the border's width, style, and color.

Syntax:

Example

Border: border-width border-style border-color;

The "border" is the CSS property in the above-given syntax. Following are the descriptions of the border values:

  • ✅ Border-width: The border-width is the value of width that is given to the border property to specify the width of the border.
  • ✅ Border-style: The border style is the value that is given to the border property to specify the style of the border. Various border style values are given below: Solid: It specifies a solid border. Dotted: It specifies a dotted border. Double: It specifies a double border. Dashed: It specifies a dashed border. Ridge: It specifies a 3D ridged border. Groove: It specifies a 3D grooved border. Outset: It specifies a 3D outset border. Inset: It specifies a 3D inset border. Hidden: It specifies a hidden border. None: It specifies a no border.
  • ✅ Border color: The border color is the value that is given to the border property to specify the color of the borders.
  • ✅ Solid: It specifies a solid border.
  • ✅ Dotted: It specifies a dotted border.
  • ✅ Double: It specifies a double border.
  • ✅ Dashed: It specifies a dashed border.
  • ✅ Ridge: It specifies a 3D ridged border.
  • ✅ Groove: It specifies a 3D grooved border.
  • ✅ Outset: It specifies a 3D outset border.
  • ✅ Inset: It specifies a 3D inset border.
  • ✅ Hidden: It specifies a hidden border.
  • ✅ None: It specifies a no border.

    • Demonstration of the CSS Border

We will understand the CSS border attribute through practical examples.

Demonstration 1:

We will apply a border to the <div> element in this example using the CSS border attribute.

Code:

Example

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS Border</title>
    <style>
        div {
            font-family: 'Times New Roman', Times, serif;
            padding: 5px;
            border: 2px solid lightcoral;
        }
    </style>
</head>
<body>
    <h3>CSS border property</h3>
    <div>
        We have utilized the CSS border property to put the border on this element.
    </div>
</body>
</html>

Output:

Here is the result displaying a sturdy 2px border surrounding the <div> element.

Demonstration 2:

We will showcase how to apply various border styles to different elements using the CSS border property in this tutorial.

Code:

Example

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS Border with different border styles</title>
    <style>
        p {
            font-family: 'Times New Roman', Times, serif;
            padding: 6px;
            background-color: bisque;
        }
        .border1 {
            border: 2px solid rgb(68, 4, 4);
        }
        .border2 {
            border: 2px dotted rgb(68, 4, 4);
        }
        .border3 {
            border: 2px double rgb(68, 4, 4);
        }
        .border4 {
            border: 2px dashed rgb(68, 4, 4);
        }
        .border5 {
            border: 2px ridge rgb(68, 4, 4);
        }
        .border6 {
            border: 2px groove rgb(68, 4, 4);
        }
        .border7 {
            border: 2px outset rgb(68, 4, 4);
        }
        .border8 {
            border: 2px inset rgb(68, 4, 4);
        }
        .border9 {
            border: hidden;
        }
        .border10 {
            border: none;
        }
    </style>
</head>
<body>
    <h3>CSS Border with different border styles</h3>
    <div>
        <p class="border1">We have utilized a solid border style on this element.</p>
        <p class="border2">We have utilized a dotted border style on this element.</p>
        <p class="border3">We have utilized a double border style on this element.</p>
        <p class="border4">We have utilized a dashed border style on this element.</p>
        <p class="border5">We have utilized 3D ridged border style on this element.</p>
        <p class="border6">We have utilized 3D grooved border style on this element.</p>
        <p class="border7">We have utilized 3D outset border style on this element.</p>
        <p class="border8">We have utilized 3D inset border style on this element.</p>
        <p class="border9">We have utilized a hidden border style on this element.</p>
        <p class="border10">We have utilized none, which means no border on this element.</p>
    </div>
</body>
</html>

Output:

Here is the result where we can distinctly observe various border styles surrounding the HTML components.

Transparent Border

The transparent border is a border that surrounds the element, yet remains unseen. Instead of the border, only the background is visible.

There isn't a specific attribute dedicated to transparent borders, however, we can achieve a transparent border by utilizing RGBA or setting the color value to transparent.

Syntax when using "transparent" value in place of color:

Example

border: border-width border-style border-color;
border: 2px dashed transparent;

The keyword "transparent" is substituted for the border color in the syntax given above.

Syntax when using the "rgba" value in place of color:

Example

border: border-width border-style border-color;
border: 2px dashed rgba(value1, value2, value3, value4);

The value "rgba" is used in the place of border color in the above-provided syntax. The rgba contains four values, which are described below:

  • ✅ Value 1: It is utilized to give the red color from 0% to 100% or 0 to 255.
  • ✅ Value 2: It is utilized to give the green color from 0% to 100% or 0 to 255.
  • ✅ Value 3: It is utilized to give the blue color from 0% to 100% or 0 to 255.
  • ✅ Value 4: It is an alpha parameter utilized to give transparency from 0 to 1.0. If the value of alpha is 0, then it is fully transparent. If the value of alpha is 1.0, then it is fully opaque.

Generally, the rgba color value is employed when designing image borders or text borders.

Demonstrations of the CSS Transparent Border

Next, we will understand the concept of CSS translucent borders through practical examples.

Demonstration 1:

We'll demonstrate adding a see-through border to the <div> element by using the CSS border attribute with a transparent color value.

Code:

Example

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS Transparent Border</title>
    <style>
        div {
            font-family: 'Times New Roman', Times, serif;
            padding: 5px;
            background-color: aquamarine;
            border: 2px solid transparent;
        }
    </style>
</head>
<body>
    <h3>CSS Transparent Border utilizing the "transparent" keyword</h3>
    <div>
        We have utilized the CSS border property to create a transparent border on this element.
    </div>
</body>
</html>

Output:

Here is the result demonstrating a see-through border surrounding the HTML component.

Demonstration 2:

In this example, we are going to generate a see-through border by employing the CSS border attribute and specifying the color value using RGBA.

Code:

Example

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS Transparent Border utilizing RGBA value</title>
    <style>
        div {
            font-family: 'Times New Roman', Times, serif;
            padding: 5px;
            background-color: yellowgreen;
            border: 10px solid rgba(200, 200, 200, 0.2);
        }
    </style>
</head>
<body>
    <h3>CSS Transparent Border utilizing the rgba value</h3>
    <div>
        We have given the color value in rgba to the CSS border property for creating a transparent border on this element.
    </div>
</body>
</html>

Output:

Here is the result where we can clearly observe a see-through border on the <div> element.

Demonstration 3:

In this example, we'll generate a border around an image by employing the CSS border attribute and specifying the color value in RGBA format.

Code:

Example

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS Image Border utilizing Transparent RGBA value</title>
    <style>
        body {
            height: 100%;
            background-image: url("flower-image.png");
            background-repeat: no-repeat;
        }
        div {
            font-family: 'Times New Roman', Times, serif;
            padding: 55px;
            width: 225px;
            height: 160px;
            border: 36px double rgba(254, 254, 254, 0.6);        
        }
    </style>
</head>
<body>
    <div></div>
</body>
</html>

Output:

Here is the result where we can clearly observe a border around the image.

Browser Support

Following are the browsers that support the CSS border property:

  • ✅ Google Chrome
  • ✅ Opera
  • ✅ Microsoft Edge
  • ✅ Safari
  • ✅ Firefox

    • Conclusion

We have learned how to create a CSS border that is transparent in this guide through several examples. The transparent keyword or the rgba value can be used to achieve a see-through border effect.

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