If there are multiple divs with the content written on it how can we overlap those divs one above the another

Answer 1

Make a parent tag of all these divs,

set the parent tag with css
.parent {
position: relative;
}

and set all child divs with css

.parent div {
position: absolute;
left: 0px; /* or could be other px value */
top: 0px; /* or could be other px value */
}

Answer 2

Use the "z-index" property of CSS

https://www.sololearn.com/learn/CSS/1118/?ref=app