nginxconfig.io/resources/scss/_header.scss

header {
	background-color: #000;
	padding: 0.5rem 0 0.25rem;
	text-align: center;
	margin-bottom: 0.5rem;
	color: #fff;
	font-size: 2.2rem;

	.logo {
		height: 3rem;
		margin: 0.5rem 0 0.3rem;
	}

	.presets {
		margin-bottom: 0.3rem;
		line-height: 1.8rem;

		.btn-outline-light {
			border-color: #999;

			&.active,
			&:hover {
				background-color: #fff;
				border-color: #fff;

				svg {
					path {
						fill: #000;
					}
				}
			}

			svg {
				height: 1.1rem;
				vertical-align: text-bottom;

				path {
					fill: #ddd;
					transition: fill 0.15s ease-in-out;
				}
			}
		}
	}
}