MediaWiki:Common.css

/* CSS placed here will be applied to all skins */
img { max-width: 100%; height: auto; width: auto\9; /* ie8 */ }

div.rightbar {
float:right; clear:right; width:340px;
}

div.vtbox {
border-style: solid;
border-width: 1px;
border-color: #111111;
background-color: #efefef;
border-radius: 5px;
box-sizing: border-box;
padding: 0.2em 0.5em;
}

@media (max-width: 600px) {
div.column50 {
    float: left;
    width: 50%;
}
}

div.row:after {
    content: "";
    display: table;
    clear: both;
}