css child selector

1  p:nth-child(2)
2 	{     
3 		background: red;
4 	}

1/*To Select All Children */
2.parent > *
3
4/*To Select a specific Child eg, with class .box */
5.parent > .box

1.parent>.immediate-child {
2  color: red;
3}

1selector>direct_child_element_seletor{
2  rules;
3}

1/*
2	Descendant selectors are used to match to any nested element. 
3	Child combinators, on the other hand, only match to the direct 
4	child element and are defined by the greater than symbol. 
5	The selector on the right must be the direct child of the element 
6	on the left.
7*/
8/* child combinator */ 
9  parent > child {...}
10
11/* descendant selector */ 
12  parent child {...}
13  ancestor descendant {...}
14

1ul li { margin: 0 0 5px 0; }
2ul > li { margin: 0 0 5px 0; }