Citat:
Use class selectors instead of descendant selectors.
For example, if you need two different styles for an ordered list item and an ordered list item, instead of using two rules:
Kôd:
ul li {color: blue;}
ol li {color: red;}
You could encode the styles into two class names and use those in your rules; e.g:
Kôd:
.unordered-list-item {color: blue;}
.ordered-list-item {color: red;}
If you must use descendant selectors, prefer child selectors, which at least only require evaluation of one additional node, not all the intermediate nodes up to an ancestor.
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Primer preporuke kaže da svaki list item u html-u moraš da nakitiš odgovarajućom klasom ili nećeš imati prikaz koji bi inače želeo da ostvariš pravilima koja proglašavaju za neefikasna. (???)