Module:Message box/imbox.css

/* Default imbox styling */
.imbox {
  border: 1px solid #a2a9b1;
  background-color: #f8f9fa;
  padding: 0.25em 0.9em;
  margin: 0.5em 0;
  border-left: 10px solid #36c;
  box-sizing: border-box;
  overflow: hidden;
  clear: both;
}

/* Icon */
.imbox .mbox-image {
  float: left;
  margin-right: 0.9em;
  width: 52px;
  text-align: center;
}

/* Text */
.imbox .mbox-text {
  overflow: hidden;
}

/* Narrow version for inline use */
.imbox.imbox-narrow {
  border-left-width: 3px;
  padding: 0.2em 0.6em;
  font-size: 90%;
}

/* Specific types of imboxes */
.imbox-license {
  border-left-color: #88a;
  background-color: #f9f9f9;
}

.imbox-content {
  border-left-color: #6b8e23;
}

.imbox-style {
  border-left-color: #fc3;
}

.imbox-delete {
  border-left-color: #b32424;
  background-color: #fee;
}

.imbox-notice {
  border-left-color: #36c;
}

.imbox-warning {
  border-left-color: #f28500;
  background-color: #fff8e5;
}