A more clean look for Nexus Vortex Mod Manager

style.scss

#main-window-pane {
	background: none;
}

.btn-menu-minimize {
	padding: 6px;
}

#main-nav-sidebar #main-nav-container>:not(:last-child) {
	box-shadow: none;
}

#main-nav-sidebar .main-nav-group-title {
	margin-left: 15px;
	text-shadow: 1px 1px 5px rgba(255,255,255,0.5);
}

.nav-pills.nav-stacked>li.active a, .nav-pills.nav-stacked>li.active a:hover, .nav-pills.nav-stacked>li.active a:focus {
	background: $brand-primary;
	border-right: none;
}

#window-controls .window-control {
	width: 32px;
}

#window-controls {
    top: 6px;
    right: 6px;
}

.nexus-name-username, .nexus-login-heading {
	text-transform: none;
	font-size: 38px;
}

.dashlet-nexus-account {
	border: none;
	background: none;
}

.dashlet {
	background-color: rgba(255,255,255,0.2);
	border-radius: 3px;
}

.panel {
	border: none;
}

.panel-body, .game-thumbnail-body {
	padding: 0;
}

.banner {
	margin-bottom: 10px;
}

.menubar .button-text {
	font-size: 0.90em;
}

.gamepicker-body {
	padding: 0;
}

.tab-pane>div {
	border: none;
}

.nav-tabs>li {
	    border-radius: 3px;
}

#settings-tab .tab-pane>div {
	border: none;
}

.menubar .btn {
	width: 84px;
	max-width: 84px;
}

.table-main-pane {
	margin-right: 0;
}

.cell-screenshot .screenshot-canvas {
	width: auto;
}

.tool-button {
	border-radius: 3px;
}

#add-tool-button {
	border-radius: 3px;
}

.dashlet li {
	background: none;
}

.rss-item {
	background: none;
}