Friday 22 January 2016

CSS multiple selectors without comma



I am alittle confuse about CSS Selectors, I understand that we can group multiple css selectors with a comma if they share similar attributes, but what about multiple css selectors without commas e.g like this:




.ui-datepicker-rtl { direction: rtl; }
.ui-datepicker-rtl .ui-datepicker-prev { right: 2px; left: auto; }
.ui-datepicker-rtl .ui-datepicker-next { left: 2px; right: auto; }

Answer



When you use the comma, like



#menu, .item



you are saying:




all elements whose id is menu AND all elements whose class is item




When you nest selectors without the comma, like



#menu .item



you are saying




all elements that has class item inside a container whose id is menu



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