MediaWiki:Gadget-fixedWidth.css

@media screen and (min-width: 1200px) {
	:root {
		--fixed-width: 1200px;
	}
	
	body {
	    max-width: var(--fixed-width);
	    margin: auto;
	}
	
	#mw-head {
	    max-width: var(--fixed-width);
	    right: unset;
	}
	
	#mw-panel {
		left: unset;
	}
	
	.vector-search-box-inner {
		width: min(20vw, calc(var(--fixed-width) / 5));
	}
	
	#p-search #searchform .cdx-search-input__input-wrapper {
		width: min(20vw, calc(var(--fixed-width) / 5));
	}
	
	body .mw-notification-area {
		right: calc(50% - min(50%, var(--fixed-width) / 2));
	}
	
	div#mw-page-base::after {
	    position: relative;
	    display: block;
	    width: 0;
	    right: calc(16px - min(100%, var(--fixed-width)))
	}
}