index.html
<!DOCTYPE html> <html lang="zh-cn"> <head> <meta charset="utf-8"> <title>CSS其他样式</title> <link rel="stylesheet" type="text/css" href="style.css"> </head> <body> <div>我是HTML5</div> </body> </html>
style.css
@charset "utf-8";
div {
width: 200px;
height: 200px;
/* background-color: green;
color: blue;
opacity: 0.5;*/
border: 10px solid green;
/*box-shadow: 10px 10px 5px 2px gray inset;*/
outline: 5px double red;
cursor: move;
}