A Beginner's Guide to Responsive Web Page: By Using CSS

Maheen Waris | Oct 10, 2023 min read

In today’s digital age, ensuring your website looks and works well on various devices is crucial. With so many people browsing the web on smartphones, tablets, and desktops, creating a responsive web page has become a fundamental skill for web designers and developers. The good news is that you can achieve responsiveness using CSS (Cascading Style Sheets) without diving too deep into complex coding. In this article, I’ll show you how to make your web page responsive step by step.

Understanding Responsive Design

Before we begin, let’s clarify what responsive web design means. A responsive web page adapts its layout and content to fit the screen it’s viewed on. Whether your site is accessed on a large desktop monitor or a tiny smartphone screen, it should look great.

1: Mobile-First Approach

To create a responsive web page, it’s best to start with the smallest screens first, also known as the “mobile-first” approach. By doing this, you ensure that your website’s core content is accessible to users on mobile devices.

2: Fluid Layouts with CSS Grid or Flexbox

CSS Grid and Flexbox are two CSS layout techniques that make it easier to create responsive designs. They allow you to create flexible and dynamic layouts that automatically adjust to different screen sizes. Here’s a simple example using CSS Grid:

.container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;

This code defines a grid that adapts to the available space, making your layout responsive.

3: Media Queries for Screen Sizes

Media queries are CSS rules that apply styles based on screen characteristics, such as width. They are the key to responsive web design. Here’s a basic example:

@media screen and (min-width: 700px) {
  /* Styles for screens with a minimum width of 700px */

You can use media queries to adjust font sizes, margins, padding, and more to suit different screen sizes.

4: Responsive Images and Videos

Images and videos should also adapt to screen size. You can make them responsive by setting a maximum width of 100%:

video {
  max-width: 100%;
  height: auto;

This ensures that images and videos don’t stretch beyond their containers, maintaining a polished appearance.

5: Testing and Debugging

After applying these responsive design techniques with CSS, it’s essential to test your web page on various devices and browsers. Use browser developer tools to simulate different screen sizes and identify and fix any issues.


By following these basic steps, you can create a responsive web page using CSS, making your website accessible and appealing to users across different devices. Remember that responsive web design is all about providing a seamless and enjoyable user experience, and these CSS techniques will help you achieve just that. Happy designing!