Formatações adicionais em HTML - @Curso em Vídeo HTML5 e CSS3

HTML and CSS Course - Chapter 8 Overview

Introduction to HTML and CSS

• The video begins with a welcome message, introducing Chapter 8 of the HTML and CSS course. The instructor emphasizes the importance of patience as students progress through the material.

Special Announcement from Record

• The instructor shares information about Record, the sponsor of the course, which aims to teach various technologies to prepare students for the job market.

• Record offers a range of courses from basic computer skills (Windows and Office) to advanced topics like IoT, virtual reality, mobile app development, and more.

• Enrollment in Record's platform is free; students can access opportunities by scanning a QR code displayed on screen.

Continuing with HTML Tags

• The instructor encourages viewers not to skip previous lessons as they build upon each other. He introduces creating an H2 subtitle for "Main Formatting."

Text Marking Techniques

• A demonstration follows on how to mark text using specific tags. The instructor mentions that some tags may not be recognized by Visual Studio Code at this time.

• He explains how to use the <mark> tag for highlighting text but notes that it does not change color by default.

Customizing Text Highlighting with CSS

• To change the background color of marked text, he discusses using inline CSS within HTML tags. This involves adding a style attribute directly into the <mark> tag.

• The instructor illustrates how to set a custom background color (e.g., green or yellow), emphasizing that this customization is done via CSS rather than HTML alone.

Limitations and Best Practices

• He addresses common questions regarding changing marker colors in HTML, clarifying that such styling requires CSS knowledge.

• When applying styles directly within tags, he advises caution since it can lead to repetitive coding if multiple elements need similar styling.

Efficient Styling Methods

• Instead of applying styles individually, he suggests creating a style block in the header section for broader application across multiple elements.

• This method allows for easier management of styles without needing repetitive code throughout the document.

Understanding CSS Styling and HTML Tags

Introduction to CSS Selectors

• The speaker discusses the use of selectors in CSS, specifically mentioning a selector for "mar" (likely referring to a class or ID) that can be styled with background-color. This allows for customization across the page.

• Two primary methods of applying styles are introduced: inline styles within HTML elements and internal styles within the document. A third method involving external links will also be covered later.

Exploring Text Formatting Tags

• The discussion shifts to text formatting using tags like <big> and <small>, which were used historically to create larger or smaller text sizes.

• The <big> tag is noted as obsolete but still functional, while the <small> tag remains relevant. The speaker emphasizes that size does not equate to meaning in text formatting.

Semantic vs Non-Semantic Tags

• The speaker explains why the <big> tag has become obsolete, arguing it lacks semantic value compared to other tags that convey meaning through their size.

• In contrast, the <small> tag retains its relevance because it indicates secondary information, such as footnotes or disclaimers.

Additional Text Formatting Techniques

• Moving on, two new tags are introduced: <del> for deleted text and <ins> for inserted text. These tags help indicate changes in content without losing context.

• The speaker demonstrates how to mark up text as deleted or inserted using these tags, highlighting their importance in maintaining clarity in written content.

Advanced Text Formatting: Superscript and Subscript

• Finally, superscript (<sup>) and subscript (<sub>) tags are discussed. These are useful for mathematical expressions or chemical formulas where certain characters need specific positioning relative to baseline text.

Course Overview and Structure

Introduction to Course Format

• The course combines video and text formats for a comprehensive learning experience. This dual approach aims to enhance understanding of the material presented.

• Students are encouraged to utilize both the PDF materials and videos, which can be accessed on various devices like smartphones or tablets. Printing is also an option for those who prefer physical copies.

Study Materials

• The course includes a PDF that serves as a study guide alongside video lectures, creating a cohesive learning environment. Students should treat the PDF as their notebook for taking notes during lessons.

• Emphasis is placed on using recycled paper if printing is chosen, promoting environmental consciousness while studying. Not all pages in the PDF are equally important; students should focus on key sections relevant to their studies.

Community Engagement

• Participants are encouraged to share the course links within their communities, such as school groups or social media platforms, enhancing collective learning opportunities. Sharing helps spread awareness about the course's value and reach more learners.

• The instructor expresses gratitude for any support in sharing resources and highlights that this course consists of five modules with corresponding playlists available online. This structure allows for organized access to content across different topics covered in the curriculum.

Conclusion of Initial Lessons