CSS Selector.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS selectors</title>
    <style>
        /* Element Selector */
        div{
           /* background-color: red;*/
        }
        /* Class selector*/
        .red{ /* [.red means class is red]*/
            background-color: red;
        }

        /*ID selector*/
        #green{
            background-color: green;
        }

        /*child selector*/
        div > p {
            color: blue;
            background-color: brown;
        }

        /* descendant Selector*/
        div p {
            color: blue;
            background-color: brown;
        }
 
        /* Universal Selector */
        *{
            margin: 0;
            padding: 0;
        }

        /* pseudo Selector */
        a:visited{
            color: yellow;
        }

        a:link {
            color: green;
        }

        a:active{
            color: red;
        }

        a:hover{
            color: orange;
        }


        p:first-child{
            background-color: aqua;
        }

    </style>
</head>
<body>
    <main class="one">
        <p>i am first</p>
        <p>i am second</p>
    </main>
    <div id="green">
        <article>
        I am a div
        <p>I am a para inside div</p>
    </article>
    </div>

    <div class="red">
        hello world
        <p>I am hero</p>
    </div>
    <a href="https://www.Google.com">Go to Google</a>
    <a href="https://www.Facebook2.com">Go to Facebook</a>

</body>
</html>