From Meta, a Wikimedia project coordination wiki
.other-languages {
margin: 0.5em;
padding: 2px;
border: 1px solid #CCC;
background: #FAFAFA;
font-size: 0.9em;
}
.other-languages span {
margin: 0 2px;
padding-left: 2px;
border-left: 1px solid gray;
}
.other-languages .firstlang {
border: none;
}