MediaWiki:Common.css

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

blockquote
{
    padding-left: 1em;
    padding: 1em;
    border: 1px solid #ddd;
    border-left: 4px solid #aaa;
    background: #eee;
    border-radius: 5px;
}