Modul:Message box/ambox.css

table.ambox {
	border-right: 1px solid #a2a9b1; /* required for RTL */
}
table.ambox-notice {
	border-left: 10px solid #36c;       /* Blue */
}
table.ambox-speedy {
	border-left: 10px solid #b32424;    /* Red */
	background-color: #fee7e6;          /* Pink */
}
table.ambox-delete {
	border-left: 10px solid #b32424;    /* Red */
}
table.ambox-content {
	border-left: 10px solid #f28500;    /* Orange */
}
table.ambox-style {
	border-left: 10px solid #fc3;       /* Yellow */
}
table.ambox-move {
	border-left: 10px solid #9932cc;    /* Purple */
}
table.ambox-protection {
	border-left: 10px solid #a2a9b1;    /* Gray-gold */
}