In CSS
img {max-width:100%; height:auto;}
section {text-align:center}
figure {display:inline-block;
margin:18px; width:220px; text-align:center}
In HTML
One <section>
containing
four <figure>
s
each
containing an <img src="images/monitor.jpg" alt="monitor">
each image with a
<figcaption>
In CSS:
img {max-width:100%; height:auto;}
In HTML:
In Head: <meta name="viewport" content="width=device-width, initial-scale=1.0">
In Body just: <img src="images/bannerBridge.jpg">
Or use a smaller/larger image for each media query