Template:Infobox/styles.css

/* Classic infobox template style */
.infobox-classic {
    border: 1px solid #aaaaaa;
    background-color: #f9f9f9;
    margin-bottom: 0.5em;
    margin-left: 1em;
    padding: 0.2em;
    float: right;
    clear: right;
}
.infobox-classic td,
.infobox-classic th {
    vertical-align: top;
}
.infobox-classic caption {
    font-size: larger;
    margin-left: inherit;
}
.infobox-classic.bordered {
    border-collapse: collapse;
}
.infobox-classic.bordered td,
.infobox-classic.bordered th {
    border: 1px solid #aaaaaa;
}
.infobox-classic.bordered .borderless td,
.infobox-classic.bordered .borderless th {
    border: 0;
}