gitea/web_src/css/modules/container.css

/* based on Fomantic UI container module, with just the parts extracted that we use. If you find any
   unused rules here after refactoring, please remove them. */

.ui.container {
  width: 1280px;
  max-width: calc(100% - calc(2 * var(--page-margin-x)));
  margin-left: auto;
  margin-right: auto;
}

.ui.fluid.container {
  width: 100%;
}
.ui.container.medium-width {
  width: 800px;
}