gitea/web_src/css/repo/issue-list.css

.issue-list-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 1rem;
}

.issue-list-toolbar-left {
  display: flex;
}

.issue-list-toolbar-right {
  margin-left: auto;
}

@media (max-width: 767.98px) {
  .issue-list-toolbar {
    flex-direction: column-reverse;
  }
  .issue-list-toolbar-right {
    margin-right: auto;
    width: 100%;
  }
  .issue-list-navbar {
    order: 0;
  }
  .issue-list-new {
    order: 1;
    margin-left: auto !important;
  }
  .issue-list-search {
    order: 2 !important;
  }
}