silverstripe-framework/admin/scss/_layout.scss

/**
 * This file defines the structural layout of the CMS interface.
 * Ideally, you should be able to lay out the base elements of the CMS with only this file.
 * 
 * Please put any presentational definitions (color, fonts, backgrounds, paddings)
 * into _style.scss or _uitheme.scss instead.
 */

html, body {	
	width: 100%;
	height: 100%;
	padding: 0;
	margin: 0;
	overflow: hidden; // avoid jlayout jitter when resizing
}

.cms-container {
	height: 100%
}

.cms-menu {
	width: 250px;
	overflow: auto;
}

.cms-content {
}

.cms-menu,
.cms-content,
.cms-content-header,
.cms-content-tools,
.cms-content-form {
	@include inline-block;
}

.cms-content-tools {
	width: 250px;
	overflow: auto;
}

.cms-content-form {
	overflow: auto;
}

.cms-content-header {
	height: 40px;
	
	h2 {
		width: 250px - (10px*2) /* padding */ - 4px /* em adjustment hacketyhack */;
	}
	
	& > div {
		width: 9999em;
		overflow: hidden;
	}
}

.cms-content-actions {
	padding: 10px;
}

.cms-logo {
	height: 30px;
	overflow: hidden;
	vertical-align: middle;
}

.cms-login-status {
	height: 30px;
	overflow: hidden;
	vertical-align: middle;
}