X style chooser in top menu bar.less
From TWC Wiki
CSS section inserted by X_style_chooser_in_top_menu_bar
// START style chooser in top bar
.topStyleButton {
padding: 8px 10px;
margin-left: .5em;
a { text-decoration: none; }
.fa--xf svg {
height: 1em;
width: 1em;
vertical-align: -0.125em;
}
.topStyleButtonCog {
padding-left: 1em;
}
}
// END style chooser in top bar