Template:Ombox/styles.css

table.ombox {
    margin: 4px 10%;
    border-collapse: collapse;
    border: 1px solid #a2a9b1;       /* Default "notice" gray */
    background: #f8f9fa;
}

table.ombox-notice {
    border: 1px solid #a2a9b1;       /* Gray */
}
table.ombox-speedy {
    border: 2px solid #b32424;    /* Red */
    background: #fee;             /* Pink */
}
table.ombox-delete {
    border: 2px solid #b32424;    /* Red */
}
table.ombox-content {
    border: 1px solid #f28500;    /* Orange */
}
table.ombox-style {
    border: 1px solid #fc3;    /* Yellow */
}
table.ombox-move {
    border: 1px solid #9932cc;    /* Purple */
}
table.ombox-protection {
    border: 2px solid #a2a9b1;       /* Gray-gold */
}