3.css · 学习笔记

~~~ <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> <style> h1{ /* color改变文字的颜色 */ color:red; background-color: black; /* font-size字体大小 */ font-size: 100px; /* text-align:left|center|right设置文本的对其方向 */ text-align: center; /* height: 200px; */ width:500px; line-height: 200px; /* f12--调试 */ } </style> </head> <body> <h1>你好</h1> </body> </html> ~~~