I am looking to create a rectangular shape using a specific height-to-width ratio of 30:50. The rectangle should occupy 40% of the screen width. How can I adjust the height while maintaining this ratio when resizing the screen?
HTML:
<div id="bg">
</div>
CSS:
#bg {
background-color: blue;
width: 40%;
}
Consider using vw (viewport width) to scale the element:
#background {
background-color: blue;
width: 40vw;
height: 66.67vw;
}
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