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Application Programming Interface (or API)
An API, or application programming interface, is a set of rules that determines how programs can interact with one another. These rules allow programmers to design their programs to work together for a cohesive experience.
Calvin Tan, a Front-End Web Development instructor at General Assembly Singapore, says, “CSS, which stands for Cascading Style Sheets, is the language that sets the appearance of a website, including its fonts, color, and layout. It is a companion to the HTML language: HTML provides the content of a website, and CSS enhances the styling of the HTML content. Besides being used to create visually engaging websites, CSS is often used to enhance the aesthetics of user interfaces for web and mobile applications.
"In General Assembly’s part-time Front-End Web Development (FEWD) course, our full-time Web Development Immersive course, and our online HTML, CSS & Web Design course, students learn how to write CSS syntax and link it effectively with HTML files. We also break down the most commonly used CSS properties, such as styling of text and background images. Students learn how to style multiple elements or a smaller group of elements through the use of classes, IDs, advanced selectors, and pseudo-selectors, and delve into creating layouts by using margins and paddings, floats, and positioning using flexbox. By the end of these courses, students are equipped with a firm understanding of CSS and the ability to create a visually appealing, interactive website that responds to various mobile or tablet devices."
Read Calvin's “Beginner’s Guide to CSS” here.
Read Sasha's "Beginner's Guide to HTML in Web Development" here.
An essential consideration in a mobile-powered world, responsive design ensures that the layout and dimensions of websites and applications adjust to the screen size on which they’re viewed — desktop, smartphone, tablet, or otherwise.
Web browsers like Google Chrome, Apple Safari, and Mozilla Firefox are how ordinary users interact with website and web applications every day. Explore these “windows to the web,” and discover how computer code is transformed into visible content that we can interact with.