convert to css to css3

1/* Answer to: "scss to css" */
2
3/*
4  You can convert SCSS to CSS here:
5  https://jsonformatter.org/scss-to-css
6
7  Wanna convert it back? Google "css to scss" and see my answer there!
8*/

1.u-media-wrapper {
2	position: relative;
3	width: 100%;
4	background-size: cover;
5	background-position: center;
6	height: 0;
7
8	#{&}--16-9 {
9		padding-bottom: percentage(9/16);
10	}
11}