If you want to create a online gradient and do not want to write it on your own via CSS, you can always use an online generator to help you out with this task. You will be able to pick the desired colors, play around with their positions and directions, and see how the gradient changes right away. This comes in handy when working on website backgrounds, buttons, banners, cards, and other web objects. After you get the result you like, you can easily copy the CSS and use it on your website.
Read more - https://toolflora.com/colors-and-css/gradient-generator/