Template:PortableInfobox/styles.css

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