Template:Imbox/styles.css

/* Image message box styles */
table.imbox {
    margin: 4px 10%;
    border-collapse: collapse;
    border: 3px solid #36c;    /* Default "notice" blue */
    background: #fbfbfb;
}
.imbox .mbox-text .imbox {    /* For imboxes inside imbox-text cells. */
    margin: 0 -0.5em;    /* 0.9 - 0.5 = 0.4em left/right. */
}
.mbox-inside .imbox {    /* For imboxes inside other templates. */
    margin: 4px;
}

table.imbox-notice {
    border: 3px solid #36c;    /* Blue */
}
table.imbox-speedy {
    border: 3px solid #b32424;    /* Red */
    background: #fee;             /* Pink */
}
table.imbox-delete {
    border: 3px solid #b32424;    /* Red */
}
table.imbox-content {
    border: 3px solid #f28500;    /* Orange */
}
table.imbox-style {
    border: 3px solid #fc3;    /* Yellow */
}
table.imbox-move {
    border: 3px solid #9932cc;    /* Purple */
}
table.imbox-protection {
    border: 3px solid #a2a9b1;       /* Gray-gold */
}
table.imbox-license {
    border: 3px solid #88a;       /* Dark gray */
    background: #f7f8ff;          /* Light gray */
}
table.imbox-featured {
    border: 3px solid #cba135;    /* Brown-gold */
}