tabler/assets/scss/dashboard/_header.scss

.header {
	padding-top: 1rem;
	padding-bottom: 1rem;
	//height: $header-height;
	background: #fff;
	border-bottom: 1px solid $border-color;

	body.fixed-header & {
		position: fixed;
		top: 0;
		left: 0;
		right: 0;
		z-index: $zindex-fixed;
	}

	@media print {
		display: none;
	}

	.nav-link,
	.nav-item {
		padding: 0 .75rem;
		min-width: 2rem;
		transition: .3s color;
		user-select: none;
		cursor: pointer;
		line-height: 1;
		display: flex;
		align-items: center;

		&:hover {
			//color: $body-color !important;
		}

		.badge {
			position: absolute;
			top: 0;
			right: 0;
			padding: .2rem .25rem;
			min-width: 1rem
		}
	}
}

.bg-header {
	background: $header-bg !important;
}

.navbar-brand {
	color: inherit;
	margin-right: 1rem;
	font-size: 1.25rem;
	white-space: nowrap;
	font-weight: 600;
	padding: 0;
	transition: .3s opacity;
	line-height: 2rem;

	&:hover {
		opacity: .8;
		color: inherit;
		text-decoration: none;
	}
}

.navbar-brand-img {
	height: 2rem;
	line-height: 2rem;
	vertical-align: bottom;
	margin-right: .5rem;
	width: auto;
}

.header-avatar {
	width: 2rem;
	height: 2rem;
	display: inline-block;
	vertical-align: bottom;
	border-radius: 50%;
}

.header-overlay {
	position: fixed;
	top: $header-height;
	right: 0;
	bottom: 0;
	left: 0;
	background: rgba(26,54,80,0.1);
	visibility: hidden;
	opacity: 0;
	z-index: $zindex-overlay;
	transition: .6s opacity, .6s visibility;
	backdrop-filter: blur(1px);


	.dropdown-menu.show + & {
		visibility: visible;
		opacity: 1;
	}
}

.header-nav {
	background: #fff;
	border-bottom: 1px solid $border-color;
	color: $text-muted;
	align-items: center;


	@media print {
		display: none;
	}

	.nav-tabs {
		border: 0;

		.nav-item + .nav-item {
			margin-left: 1.5rem;
		}
	}
}

.header-btn {
	display: inline-block;
	width: 2rem;
	height: 2rem;
	line-height: 2rem;
	text-align: center;
	font-size: 1rem;

	&.has-new {
		position: relative;

		&:before {
			content: '';
			width: 6px;
			height: 6px;
			background: $red;
			position: absolute;
			top: 4px;
			right: 4px;
			border-radius: 50%;
		}
	}
}