What is the way to specify both the initial and final classes within a nested class structure?

Within my code, there is a block-border class containing two block-content classes. Specifically, I am working on compatibility with IE9 and higher.

I am seeking assistance in defining the structure using Less as shown below:

.block-border { 

    &.admin > .block-content {

    }
}

My goal is to define xxx for the first block-content class within the block-border, yyy for the second block-content class, and zzz for the last block-content class inside the same border.

The challenge lies in how to properly define the first and last elements using Less. While I have successfully defined the base block-content, the others remain unclear.

htmlcssless

Answer №1

The proper syntax for using the .admin class is with the ampersand symbol preceding it:

.block-border {

    &.admin > .block-content {
        &:first-child {
        }

        &:nth-child(2) {
        }

        &:last-child {
        }
    }

}

When implemented, this will generate CSS selectors like:

.block-border.admin > .block-content:first-child {}

If you neglect to include the ampersand, it will produce:

.block-border.admin > .block-content :first-child {}

This would have a different interpretation (selecting the first child within .block-content).

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