gitea/web_src/css/modules/flexcontainer.css

/* container for full-page content with sidebar on left */

.flex-container {
  display: flex !important;
  gap: 16px;
}

.flex-container-nav {
  width: 240px;
}

.flex-container-main {
  flex: 1;
  min-width: 0; /* make the "text truncate" work, otherwise the flex axis is not limited and the text just overflows */
}

@media (max-width: 767.98px) {
  .flex-container {
    flex-direction: column;
  }
  .flex-container-nav {
    width: auto;
  }
}