What are the ways to design visual interface elements in web development?

In web development, the following main methods are used for designing visual interface elements:

• CSS (Cascading Style Sheets) — the primary way to style HTML elements, allowing you to set colors, fonts, margins, animations, and much more.
• Inline styles — styles written directly in the style attribute of an HTML tag, used for quick and local styling but not recommended for large-scale projects.
• CSS preprocessors (Sass, Less) — extend CSS capabilities by adding variables, nesting, mixins, which simplifies maintenance and scaling of styles.
• CSS-in-JS — styles described inside JavaScript code, often used in modern frameworks (React, Vue) for component-based styling.
• UI frameworks and libraries — Bootstrap, Material UI, and others provide ready-made styles and components for rapid interface development.

Example of simple CSS:

.button {
  background-color: #4CAF50;
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
}