How to set css dotted border

Steps on how to set a css dotted border: 1. Add a class name to the element to which a dotted border is to be applied; 2. Use the border-style, border-color, border-width and border-spacing properties to adjust the border style, color, width and spacing.

CSS (Cascading Style Sheets) is a markup language used to describe the style of web pages. It can be used to control the layout, colors, fonts, and borders of web pages. In web design, borders are a common element used to separate different sections or highlight certain content. Dotted borders are a common border style that can add some movement and modernity to web pages. This article will explain how to create a dotted border using CSS.

First, we need to select the element to which we want to apply a dashed border. Can be a div element, an image, a button or any other HTML element. In this article, we will use a div Elements are used as an example to illustrate.

<div class="dashed-border">
  这是一个带有虚线边框的 div 元素。
</div>

Next, we need to add a class name to the element so we can reference it in CSS. In the above code, we added a new element called "dashed-border" to the div element class name.

Next, we will use CSS to add a dashed border style to the class name. In CSS, we can use border-style Property to define the border style. To create a dashed border, we can set the border-style property to "dashed".

.dashed-border {
border-style: dashed;
}

Now, we have successfully set the border style of the div element to dashed. However, we can further adjust the border's properties such as color, width, and spacing.

To adjust the color of the border, we can use the border-color property. It can be set to any valid color value, such as a hexadecimal value, an RGB value, or a color name.

.dashed-border {
border-style: dashed;
border-color: #0000ff;
}

In the above code, we set the color of the border to blue (#0000ff).

To adjust the width of the border, we can use the border-width property. It can be set to a pixel value, a percentage value, or a predefined value such as "thin", "medium" or "thick").

.dashed-border {
border-style: dashed;
border-color: #0000ff;
border-width: 2px;
}

In the above code, we set the width of the border to 2 pixels.

To adjust the spacing between borders, we can use the border-spacing property. This can be set as a pixel value or a percentage value.

.dashed-border {
border-style: dashed;
border-color: #0000ff;
border-width: 2px;
border-spacing: 10px;
}

In the above code, we set the spacing between borders to 10 pixels.

By adjusting these properties, we can create various styles of dotted borders according to our own needs. At the same time, we can also use other CSS properties to further customize the appearance of the border, such as The border-radius property is used to set the rounded corners of the border.

To summarize, creating a dotted border using CSS is very simple. Just add a class name to the element you want to apply a dashed border to and use border-style, border-color, border-width and border-spacing Properties to adjust the border's style, color, width, and spacing. By flexibly using these properties, we can easily create various styles of dotted borders to add some dynamics and modernity to the web page.

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