Overview

By default, Jess supports .jess stylesheet language files, but you can use Less (.less) and Sass (.scss) language files through the use of Jess Plugins.

Like Less and Sass, Jess files are a superset of CSS, so any valid CSS is valid Jess.

.cool {
  background: linear-gradient(90deg, #06c, #e00);

  .centered {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}