.ui {
  background-image: url(https://m.otlab.dev/system/media_attachments/files/114/888/398/522/344/120/original/f5a3fa7b3c05a243.jpg);
  background-color: rgba(0, 0, 0, 0.8);
  background-blend-mode: darken;
  background-position: right top;
  background-attachment: fixed;
}
.columns-area {
  background: var(--background-color);
}