DataBase/assets/stylesheets/sass/base/_header.scss

// HEADER
// -----------------------------------------------------------------------------
/* Header */
.header {
	@include linear-gradient(#F6F6F6 0%, #FFFFFF 45%);
	border: {
		bottom: 1px solid #E9E9E6;
		top: 3px solid #EDEDED;
	}
	z-index: $header-z-index;

	.logo {
		float: left;
		margin: 10px 0 0 15px;
		img {
			color: transparent;
		}
	}

	.separator {
		@include linear-gradient(#F6F6F6 60%, #EDEDED);
		display: inline-block;
		height: 100%;
		margin: 0 25px 0;
		width: 2px;
		vertical-align: middle;
	}

	.search {
		width: 170px;
		display: inline-block;
		vertical-align: middle;
	}

	.toggle-sidebar-left {
		background: $color-primary;
		border-radius: 100px;
		color: $color-primary-inverse;
		height: 30px;
		line-height: 30px;
		position: absolute;
		right: 15px;
		text-align: center;
		top: 14px;
		width: 30px;
	}
}

.header-right {
	float: right;
	height: $header-height - 4px;
}

// HEADER MOBILE
// -----------------------------------------------------------------------------
/* Header Mobile */
@media only screen and (max-width: 767px) {
	.header {
		.logo-container {
			@include linear-gradient(#F6F6F6 0%, #FFFFFF 45%);
			border: {
				bottom: 1px solid #E9E9E6;
				top: 3px solid #EDEDED;
			}

			.logo {
				float: none;
				display: inline-block;
				line-height: $header-height - 3;
				margin-top: 0;
			}
		}

		.search,
		.separator {
			display: none;
		}
	}
}

// HEADER DARK AND DARK VERSION
// -----------------------------------------------------------------------------
/* Header Dark */
html.dark,
html.header-dark {
	.header {
		background: $sidebar-background;
		border-bottom-color: darken( $sidebar-background, 3% );
		border-top-color: $sidebar-background;

		@media only screen and (max-width: 767px) {
		.logo-container {
				background: $sidebar-background;
				border-bottom-color: darken( $sidebar-background, 3% );
				border-top-color: $sidebar-background;
			}

			.header-right {
				background: $sidebar-background;
			}
		}

		.separator {
			@include linear-gradient($sidebar-background 10%, darken( $sidebar-background, 5% ));
		}

		.input-search {
			input {
				&,
				&:focus {
					background: lighten( $sidebar-background, 5% );
					border-color: darken( $sidebar-background, 3% );
					box-shadow: 0 1px 1px rgba(0, 0, 0, 0.40) inset;
					color: #FFF;
				}
			}

			.input-group-btn .btn-default {
				background: transparent;
				color: $page-header-color;
			}
		}
	}
}