Module:Message box/ombox.css

.ombox {
  background-color: #f8f9fa;
  border: 1px solid #a2a9b1;  /* Default "notice" gray. */
  border-collapse: collapse;
  box-sizing: border-box;
  color: #202122;
  margin: 4px 0;
}

/* For the "small=yes" option. */
.ombox.mbox-small {
  font-size: 0.88em;
  line-height: 1.25;
}

.ombox-speedy {
  background-color: #fee7e6;  /* Pink. */
  border: 2px solid #b32424;  /* Red. */
}

.ombox-delete {
  border: 2px solid #b32424;  /* Red. */
}

.ombox-content {
  border: 1px solid #f28500;  /* Orange. */
}

.ombox-style {
  border: 1px solid #fc3;  /* Yellow. */
}

.ombox-move {
  border: 1px solid #9932cc;  /* Purple. */
}

.ombox-protection {
  border: 2px solid #a2a9b1;  /* Grayish gold. */
}

.ombox .mbox-text {
  border: none;
  /* @noflip */
  padding: 0.25em 0.9em;
  width: 100%;
}

.ombox .mbox-image {
  border: none;
  /* @noflip */
  padding: 2px 0 2px 0.9em;
  text-align: center;
}

.ombox .mbox-imageright {
  border: none;
  /* @noflip */
  padding: 2px 0.9em 2px 0;
  text-align: center;
}

/* An empty narrow cell */
.ombox .mbox-empty-cell {
  border: none;
  padding: 0;
  width: 1px;
}

.ombox .mbox-invalid-type {
  text-align: center;
}

@media (min-width: 720px) {
  .ombox {
    margin: 4px 10%;
  }

  .ombox.mbox-small {
    /* @noflip */
    clear: right;
    /* @noflip */
    float: right;
    /* @noflip */
    margin: 4px 0 4px 1em;
    width: 238px;
  }
}

/* phabricator:T367463 */
body.skin--responsive table.ombox img {
  max-width: none !important;
}

@media screen {
  html.skin-theme-clientpref-night .ombox-speedy {
    background-color: #310402;  /* Dark red, with the same hue/saturation as light mode. */
  }
}

@media screen and (prefers-color-scheme: dark) {
  html.skin-theme-clientpref-os .ombox-speedy {
    background-color: #310402; /* Dark red, with the same hue/saturation as light mode. */
  }
}