:first-child
Since: UXP v3.0
Matches only the first child.
See: https://developer.mozilla.org/en-US/docs/Web/CSS/:first-child
Example:
Copied to your clipboard1sp-button:first-child {2 margin-left: 0;3}
Since: UXP v3.0
Matches only the first child.
See: https://developer.mozilla.org/en-US/docs/Web/CSS/:first-child
Example:
Copied to your clipboard1sp-button:first-child {2 margin-left: 0;3}