scss在Sass中声明变量

篇首语：本文由编程笔记#小编为大家整理，主要介绍了scss 在Sass中声明变量相关的知识，希望对你有一定的参考价值。

These variables were declared in the process of adding a background image to Brad Traversy&＃39;s tutorial on building a Web portfolio project page.
You can view the complete tutorial covering this topic [here](https://youtu.be/HguAyYnWBuU?list=PLillGF-RfqbYoGoCjKoMOkVznV6aSXKzU)

$show-home-image: true;
$home-image: url(../img/background.jpg);
$background-opacity: 0.9;