CSS borders refer to adding border lines to HTML elements. Borders are usually used in website design to highlight certain parts or provide visual separation between different elements. Using CSS, you can define the color, style, thickness, and rounding of the border.

Below are examples of using CSS border styles:

You can specify the border color in CSS using the border-color property. For example, if you want to set the border color to red, you can write the following rule:

You can specify the style of the border by using the border-style property. For example, if you want to use a dotted line as the border, you can write the following rule:

You can specify the thickness of the border by using the border-width property. For example, if you want to set the border thickness to 2 pixels, you can write the following rule:

You can define the rounding of the border by using the border-radius property. For example, if you want to round the corners of the border by 5 pixels, you can write the following rule:

You can also combine these characteristics into one CSS rule. For example, if you want to create a green border that uses a double line, is 4 pixels thick, and has rounded corners, you can write the following rule:

CSS delimiter lines allow you to create versatile and impressive designs for your website.

CSS borders refer to adding border lines to HTML elements. Borders are usually used in website design to highlight certain parts or provide visual separation between different elements. Using CSS, you can define the color, style, thickness, and rounding of the border.

Below are examples of using CSS border styles:

## Determining the color of the border

You can specify the border color in CSS using the border-color property. For example, if you want to set the border color to red, you can write the following rule:

```css
border-color: red;
```

---

## Defining the style of the border

You can specify the style of the border by using the border-style property. For example, if you want to use a dotted line as the border, you can write the following rule:

```css
border-style: dotted;
```

---

## Determining the thickness of the border

You can specify the thickness of the border by using the border-width property. For example, if you want to set the border thickness to 2 pixels, you can write the following rule:

```css
border-width: 2px;
```

---

## Defining the rounding of the border

You can define the rounding of the border by using the border-radius property. For example, if you want to round the corners of the border by 5 pixels, you can write the following rule:

```css
border-radius: 5px;
```

You can also combine these characteristics into one CSS rule. For example, if you want to create a green border that uses a double line, is 4 pixels thick, and has rounded corners, you can write the following rule:

```css
border: 4px double green;
border-radius: 10px;
```

CSS delimiter lines allow you to create versatile and impressive designs for your website.

---

## Practice

@embed 794a3b4f9968


CSS Borders

This course is an introduction to web development and focuses on the basics of HTML, CSS, JavaScript and backend systems. The aim of the course is to provide students with the necessary skills and knowledge to design, develop and understand simple web applications.

This course is an introduction to web development and focuses on the basics of building websites, namely HTML, CSS, JavaScript, and fundamentals of backend systems. The goal of the course is to provide you with the necessary skills and knowledge to design and develop simple full-stack web applications, as well as understand web applications made by others.

In the first part, HTML is studied, which is a markup language used in building websites.


The second part covers the basics of CSS, such as the use of style sheets, rules, selectors, and formatting. It also covers advanced features of CSS, such as animations and responsive design.

In the third part, we will study JavaScript, which is currently an incredibly important tool in both frontend and backend development, and thus also in cybersecurity and ethical hacking.

In the final part, we will learn how to build back-end systems using the Python Flask framework. You will learn the basics of back-end systems, such as using databases, authentication, session management, and access control.

You can do the course exercises on your own computer if you want, but each code example has a button that allows you to directly run the code in the browser and see what the page looks like or what the script prints. So you do not need to install anything, but you can if you want.

It is recommended but optional to create an account on replit.com service. In that case, you can just click "Fork" on the code examples to make a copy for yourself to play with

CSS Borders

Determining the color of the border

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