una/modules/boonex/messenger/template/css/quill.mention.css

.ql-mention-list-container {
  overflow: auto;
}

.ql-mention-loading {
  line-height: 1.5rem;
  font-size: 0.9rem;
  padding: 0 0.5rem;
  background-color: rgba(0,0,0,0);
}

.ql-mention-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.ql-mention-list-item {
  cursor: pointer;
  line-height: 2rem;
  font-size: 1rem;
  padding: 0 0.5rem;
  vertical-align: middle;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  white-space: nowrap;
}

.ql-mention-list-item img{
  height: 1.1rem;
  width: 1.1rem;
  border-radius: 4px;
}

.ql-mention-list-item.disabled {
  cursor: auto;
}

.ql-mention-list-item.selected {
  background-color: rgba(0,0,0,0.04);
  text-decoration: none;
}

.bx-mention {
  padding: 1px 0;
  user-select: all;
}

.bx-mention > span {
  margin: 0 3px;
}