Thứ Tư, 22 tháng 7, 2015

bai5 CSS CLASSES AND IDS

All HTML elements are selectors
we've styled the HTML tags <h1></h1> with the CSS selector h1<p></p> with p, and so on.
any HTML element can be a CSS selector! You can modify<ul>s, <table>s, and even the entire<body> by selecting ultable, and body, respectively
-it's possible to nest HTML elements inside one another, So what if you want to grab <p>s that are inside two <div>s, and not all<p>.You select those in the CSS tab like this:
div div p{
    /*CSS stuff!*/
}
you can use *{
} to CSS styling to every element on the page:
Parents, children, and siblings
If you think of the <html> tag as the trunk of the tree,<head> and<body>—as its children. Both tags are children of <html>, and <html> is theirparent element.they are siblings.
Can you swing it?
<p> that is nested  inside a <div> that is nested somewhere inside another <div>. If you want to grab direct  <p> ement that is directly nested inside another element, with no elements in between—you can use the> symbol,

Class and ID Selectors

Classes are useful when you have a bunch of elements that should all receive the same styling you can simply apply the same class to all those HTML elements
.

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