Template:Ambox/styles.css

/* Message box templates */
.messagebox {
 border: 1px solid #a2a9b1;
 background: #f8f9fa;
 width: 80%;
 margin: 0 auto 1em;
 padding: 0.2em;
 text-align: justify;
}
.messagebox.merge {
 border: 1px solid #cf9fff;
 background: #f5edf5;
 text-align: center;
}
.messagebox.cleanup {
 border: 1px solid #9f9fff;
 background: #efefff;
 text-align: center;
}
.messagebox.standard-talk {
 border: 1px solid #c0c090;
 background: #f8eaba;
}

/* Cell sizes for ambox/tmbox/imbox/cmbox/ombox/fmbox/dmbox message boxes */
th.mbox-text, td.mbox-text {     /* The message body cell(s) */
    border: none;
    padding: 0.25em 0.9em;       /* 0.9em left/right */
    width: 100%;    /* Make all mboxes the same width regardless of text length */
}
td.mbox-image {                  /* The left image cell */
    border: none;
    padding: 2px 0 2px 0.9em;    /* 0.9em left, 0px right */
    text-align: center;
}
td.mbox-imageright {             /* The right image cell */
    border: none;
    padding: 2px 0.9em 2px 0;    /* 0px left, 0.9em right */
    text-align: center;
}
td.mbox-empty-cell {         /* An empty narrow cell */
    border: none;
    padding: 0;
    width: 1px;
}

/* Article message box styles */
table.ambox {
    margin: 0 10%;   /* 10% = Will not overlap with other elements */
    border: 1px solid #a2a9b1;
    border-left: 10px solid #36c;    /* Default "notice" blue */
    background: #fbfbfb;
}
table.ambox + table.ambox {   /* Single border between stacked boxes. */
    margin-top: -1px;
}
.ambox th.mbox-text,
.ambox td.mbox-text {            /* The message body cell(s) */
    padding: 0.25em 0.5em;       /* 0.5em left/right */
}
.ambox td.mbox-image {           /* The left image cell */
    padding: 2px 0 2px 0.5em;    /* 0.5em left, 0px right */
}
.ambox td.mbox-imageright {      /* The right image cell */
    padding: 2px 0.5em 2px 0;    /* 0px left, 0.5em right */
}