console 命令行工具 X clear
console
<! -- prj_1_3.html -- >
<！doctype html>
<html lang="en">
    <head>
        <meta chaset = "UTF-8">
        <title> BEATIFUL</title>
        <style type = "text/css">
            p{
                font - size:24px;    /*字体大小24px*/
                color: green;         /*颜色绿色*/
                text - indent:2em;    /*首行缩进2个字符*/
            }
        </style>
    </head>
    <body>
        <h2 align = "center">WELCOME TO MY SIMPLE BOLG!</h2>
        <hr color = "red">
        <p align = "center">I AM LIUMEI.<br>
        I LIKE GREEN!
        </p>
    </body>
</html>