Check out example codes for "repeat css". It will help you in understanding the concepts better.

Code Example 1

/* <track-repeat> values */
repeat(4, 1fr)
repeat(4, [col-start] 250px [col-end])
repeat(4, [col-start] 60% [col-end])
repeat(4, [col-start] 1fr [col-end])
repeat(4, [col-start] min-content [col-end])
repeat(4, [col-start] max-content [col-end])
repeat(4, [col-start] auto [col-end])
repeat(4, [col-start] minmax(100px, 1fr) [col-end])
repeat(4, [col-start] fit-content(200px) [col-end])
repeat(4, 10px [col-start] 30% [col-middle] auto [col-end])
repeat(4, [col-start] min-content [col-middle] max-content [col-end])

/* <auto-repeat> values */
repeat(auto-fill, 250px)
repeat(auto-fit, 250px)
repeat(auto-fill, [col-start] 250px [col-end])
repeat(auto-fit, [col-start] 250px [col-end])
repeat(auto-fill, [col-start] minmax(100px, 1fr) [col-end])
repeat(auto-fill, 10px [col-start] 30% [col-middle] 400px [col-end])

/* <fixed-repeat> values */
repeat(4, 250px)
repeat(4, [col-start] 250px [col-end])
repeat(4, [col-start] 60% [col-end])
repeat(4, [col-start] minmax(100px, 1fr) [col-end])
repeat(4, [col-start] fit-content(200px) [col-end])
repeat(4, 10px [col-start] 30% [col-middle] 400px [col-end])

Code Example 2

repeat(/*Number of repeats*/, /*Code to be repeated*/)

.gridContainer {
	grid-template-columns: repeat(4, 100px); /*Creates 4 columns, each 100px in width*/
	grid-template-rows: repeat(2, 250px); /*Creates 2 rows, each 250px in height*/
}

Code Example 3

.image {
 background-repeat: no-repeat;
}

Code Example 4

body
 {
     
 background-repeat: no-repeat;

 }

Learn ReactJs, React Native from akashmittal.com