I'm having an issue with my html code structure. Here's how it looks:
<article></article>
<article></article>
<article></article>
<article></article>
<article></article>
<article></article>
Specifically, I have 2 articles in one line using float and I want to change their colors like this:
blue green green blue blue green green blue
Can anyone suggest a way to achieve this effect using CSS?
Looking at a pattern with four article elements, it appears that using an offset of 4n can achieve the desired effect. This method is demonstrated in this code snippet (Fiddle):
article {color:blue}
article:nth-child(4n-1), article:nth-child(4n-2) {color:green}
If you prefer to use plus instead of minus, the same outcome can be achieved as shown in this example (Fiddle):
article {color:blue}
article:nth-child(4n+2), article:nth-child(4n+3) {color:green}
To understand the logic behind this approach, it involves shifting the 4n pattern as illustrated:
-1and+3, or-2and+2, are congruent mod 4, indicating they refer to the same elements (while technically having differentnvalues).This concept can be further explored by coloring elements such as
4nand4n+1blue, as shown in this alternative demonstration (Fiddle):article {color:green} article:nth-child(4n), article:nth-child(4n+1) {color:blue}
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