forgejo/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 {
  display: block;
  --container-width: 100%;
  max-width: var(--container-width);
}

@media (max-width: 767.98px) {
  .ui.ui.ui.container:not(.fluid) {
    --container-width: auto;
    width: var(--container-width);
    margin-left: 1em;
    margin-right: 1em;
  }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  .ui.ui.ui.container:not(.fluid) {
    --container-width: 723px;
    width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
  }
}

@media (min-width: 992px) and (max-width: 1199.98px) {
  .ui.ui.ui.container:not(.fluid) {
    --container-width: 933px;
    width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
  }
}

@media (min-width: 1200px) {
  .ui.ui.ui.container:not(.fluid) {
    --container-width: 1127px;
    width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
  }
}

.ui.fluid.container {
  --container-width: 100%;
  width: var(--container-width);
}

.ui[class*="center aligned"].container {
  text-align: center;
}

/* overwrite width of containers inside the main page content div (div with class "page-content") */
.page-content .ui.ui.ui.container:not(.fluid) {
  --container-width: 1280px;
  width: var(--container-width);
  max-width: calc(100% - calc(2 * var(--page-margin-x)));
  margin-left: auto;
  margin-right: auto;
}

.ui.container.fluid.padded {
  padding: 0 var(--page-margin-x);
}