una/template/css/wiki.css

.bx-wiki-controls-menu {
    float:left;
}
.bx-wiki-controls-info {
    float:right;
}
.bx-wiki-form {
    width:600px;
}
.bx-media-phone .bx-wiki-form {
    width:auto;
}
.bx-wiki-form form textarea[name=content] {
    height:16rem;
}
.bx-wiki-content {
    max-height:10rem;
    overflow:auto;
    margin:0;
}