Web Programming - Pertemuan 4

Innajiyaharifin

3 Apr 202217:32

Summary

TLDRThe video script is an educational tutorial focused on web development, specifically diving into CSS (Cascading Style Sheets). It covers various methods of applying CSS to HTML elements, such as internal, inline, and external styles. The instructor explains how to add backgrounds, change text colors, and manipulate table appearances. The script is filled with examples and practical advice, aiming to help viewers understand the versatility and importance of CSS in web design.

Takeaways

🌟 The session continues with a lesson on CSS, following up from previous lessons on HTML and JavaScript.
🎨 CSS is used for styling web pages, including adding backgrounds, colors, and other visual elements.
📚 The speaker mentions the importance of understanding CSS syntax and how it can be applied to various HTML elements.
🖌️ There are three main ways to add CSS to a webpage: inline, internal, and external. Each method has its own advantages and use cases.
🔍 The internal method involves adding CSS directly within the HTML document, typically in the `<head>` section.
🌐 External CSS is linked to an HTML document and is typically stored in a separate `.css` file, making it easier to manage styles for multiple pages.
📝 Inline CSS is applied directly to HTML elements using the `style` attribute, which can be useful for quick styling but is less efficient for larger projects.
💡 The speaker discusses the use of CSS to change the background color of elements, such as making the entire body or specific tables blue.
🔄 The script also touches on the concept of CSS specificity, explaining how different CSS rules can affect the same element in different ways.
📈 The speaker emphasizes the importance of learning CSS for web development, suggesting that it is a crucial skill for creating visually appealing and responsive websites.
🚀 The session concludes with a reminder to practice and experiment with CSS to gain a deeper understanding of its capabilities and potential.

Q & A

What topic is being discussed in this script?
-The script is discussing CSS (Cascading Style Sheets) and how to use it to style HTML elements.
What is the purpose of CSS according to the script?
-CSS is used to add styles to HTML elements, allowing for variations in appearance such as colors, fonts, and layouts, making the content more visually appealing.
What was the topic of the previous lesson?
-The previous lesson covered how to create labels and forms in HTML.
What are the three ways to add CSS mentioned in the script?
-The three ways to add CSS mentioned are internal, inline, and external.
How do you add an internal CSS according to the script?
-To add internal CSS, you place the CSS code inside a <style> tag within the <head> section of the HTML document.
How do you add inline CSS?
-Inline CSS is added directly within an HTML element's style attribute.
How do you add external CSS?
-External CSS is added by linking an external CSS file to the HTML document using a <link> tag within the <head> section.
What happens when you add CSS to the body tag?
-When CSS is added to the body tag, all elements within the body will inherit those styles, such as a background color change.
What is an example of a CSS property and value given in the script?
-An example given is 'background-color: blue;', which sets the background color of an element to blue.
What are the benefits of using external CSS according to the script?
-External CSS is beneficial for larger websites with multiple pages because it allows for centralized styling. This means changes can be made in one CSS file and affect all linked HTML pages, making maintenance easier.
What analogy does the script use to explain the concept of inline CSS?
-The script likens inline CSS to inserting CSS directly within an HTML element, similar to how one would provide specific instructions or attributes directly within a tag.
How does the script suggest testing CSS changes?
-The script suggests making changes to the CSS code and then refreshing the browser to see the updated styles applied to the HTML elements.

Outlines

00:00

😀 Introduction to CSS and Label Creation

The script begins with a casual introduction to continuing the educational material, likely from a previous session. The focus shifts to CSS (Cascading Style Sheets), which is used for styling web pages. The speaker mentions the transition from learning about labels and bank forms to CSS. They discuss the potential to vary methods and reset HTML, hinting at the flexibility CSS offers. The speaker also humorously references a table from Aceh that disappoints and suggests using CSS for background color changes, indicating a practical application of CSS in web design.

05:00

😎 Understanding CSS Application in HTML

This paragraph delves deeper into the application of CSS within HTML documents. The speaker explains how CSS can be applied to elements like the body and table, affecting their appearance. They discuss the concept of internal CSS, where styles are defined within the HTML document itself, and how it affects the entire page, including tables. The speaker also touches on the specificity of CSS rules and how they can be applied to different elements, such as changing the background color and text color. The paragraph emphasizes the importance of understanding where CSS is applied within the HTML structure to achieve the desired styling effects.

10:02

🤔 Exploring Internal and Inline CSS Techniques

The speaker continues to explore CSS by discussing internal and inline techniques. They explain how internal CSS is added within the head section of an HTML document, allowing for the inclusion of styles that affect the entire page. The paragraph also covers inline CSS, where styles are applied directly to HTML elements, affecting only those specific elements. The speaker provides examples of how to modify the background color and text color using these methods. Additionally, they mention the use of external CSS files, which are linked to the HTML document, and the importance of maintaining a consistent folder structure for these files.

15:04

🔍 External CSS and Linking to HTML

In the final paragraph, the focus is on external CSS, where styles are defined in a separate file and linked to the HTML document. The speaker explains the process of linking an external CSS file to an HTML document, emphasizing the need for the CSS file to be in the same folder as the HTML file or properly referenced. They discuss the benefits of using external CSS, such as maintaining a clean HTML structure and easily updating styles across multiple pages. The paragraph concludes with a reminder of the importance of correctly linking CSS files to ensure that styles are applied as intended.

Mindmap

Keywords

💡CSS

CSS stands for Cascading Style Sheets, which is a language used for describing the presentation of a document written in HTML or XML. In the video, CSS is discussed as a tool for styling web pages, such as changing the background color and font styles. The script mentions adding CSS to HTML documents to enhance their visual appeal, which is a core concept in web development.

💡HTML

HTML, or Hypertext Markup Language, is the standard markup language for creating web pages and web applications. It is used to structure content on the web. In the script, HTML is mentioned in the context of web development, where CSS is used to style HTML elements, indicating the interplay between these two foundational web technologies.

💡Background

In the context of web design, 'background' refers to the visual appearance behind the text and other content on a webpage. The script discusses how to use CSS to change the background color of a webpage, which is an essential aspect of creating a visually appealing and user-friendly site.

💡Internal

In web development, 'internal' often refers to styles or scripts that are included directly within the HTML document itself. The script mentions 'internal' in the context of adding CSS styles directly within the HTML document, which is one method of applying styles to a webpage.

💡External

External in web development typically means styles or scripts that are linked to an HTML document from an external file. The script discusses 'external' CSS, which involves linking a separate CSS file to an HTML document. This method is often used for larger projects where styles need to be applied consistently across multiple pages.

💡Inline

Inline styles in web development refer to CSS rules that are applied directly within an HTML element using the 'style' attribute. The script mentions 'inline' as a method of applying CSS, which allows for specific styles to be applied to individual elements without affecting the rest of the page.

💡Table

In the context of the script, 'table' likely refers to an HTML table, which is used to display tabular data on a webpage. The script discusses how CSS can be used to style tables, such as changing their background color, which is an example of how CSS can be used to enhance the presentation of data.

💡Font Color

Font color in web design is the color of the text on a webpage. The script mentions changing the font color using CSS, which is an important aspect of web design as it can affect readability and the overall aesthetic of the page.

💡File

In the script, 'file' is mentioned in the context of web development, specifically in relation to CSS and HTML files. Files are the basic units of storage in computing, and in web development, they contain the code that makes up a website. The script discusses the organization and linking of these files to ensure that styles are applied correctly.

💡Tag

In HTML, a tag is an element used to define a specific part of the content. The script mentions 'tag' in the context of CSS, where tags are used to select HTML elements that the CSS styles will be applied to. This is fundamental in CSS as it allows developers to target specific parts of a webpage for styling.

💡Body

In HTML, the 'body' tag is used to contain all the contents of an HTML document, such as text, images, and tables. The script discusses styling the 'body' of a webpage using CSS, which is a common practice to set the overall look and feel of a site, such as the background color and font styles.

Highlights

Introduction to continuing the learning material on CSS.

Explanation of how to create labels and forms from the bank.

Discussion on the use of CSS for webpage styling.

Mention of the ability to open previous files for reference.

Explanation of CSS properties like 'background' and 'background-color'.

Demonstration of how to apply CSS to the body element to change the background color.

Differentiating between applying CSS to the entire body versus specific elements like tables.

Introduction of three methods to add CSS: internal, inline, and external.

Description of how to use internal CSS by adding it within the 'head' section of HTML.

Explanation of inline CSS and its application directly within HTML elements.

Discussion on the advantages of using internal CSS for specific pages or sections.

How to modify table styles using CSS selectors.

Mention of external CSS files and their benefits for larger websites with multiple pages.

Instructions on linking external CSS files to HTML documents.

Explanation of the importance of file organization when using external CSS.

Discussion on the practical applications of CSS in enhancing website aesthetics.

Final thoughts on choosing the right method for applying CSS based on project needs.