What is Responsive Web Design? Responsive web design means making a website that can adjust itself according to the screen size. A website can be opened on a laptop, tablet, or mobile phone, so the website should not look broken on smaller screens. For example, a website may have three boxes in one row on a laptop. But on a mobile screen, those three boxes can come one below another. This makes the website easier to use on different devices. We can use CSS Flexbox, Grid, relative units...