overleaf/services/web/public/stylesheets/app/editor/toolbar.less

.toolbar {
	height: 40px;
	border-bottom: 1px solid @toolbar-border-color;

	a:not(.btn) {
		display: inline-block;
		color: @gray-light;
		padding: 6px 12px 8px;
		&:hover {
			text-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
			color: @gray-dark;
		}
	}

	.btn-full-height {
		border: none;
		border-radius: 0;
		border-right: 1px solid @toolbar-border-color;
		color: @link-color;
		padding: 6px 12px 8px;
		&:hover {
			text-shadow: 0 1px 0 rgba(0, 0, 0, 0.15);
			background-color: darken(white, 10%);
			color: @link-hover-color;
		}
		&.active, &:active {
			color: white;
			background-color: @link-color;
			.box-shadow(inset 0 3px 5px rgba(0, 0, 0, 0.225));
		}
	}

	.toolbar-right {
		float: right;
		.btn-full-height {
			border-right: 0;
			border-left: 1px solid @toolbar-border-color;
		}
	}

	&.toolbar-header {
		box-shadow: 0 0 2px #ccc;
		position: absolute;
		top: 0;
		left: 0;
		right: 0;
		z-index: 1;
	}

	&.toolbar-small {
		height: 32px;
		a {
			padding: 4px 2px 2px;
			margin-left: 6px;
		}
		.toolbar-right {
			a {
				margin-left: 0;
				margin-right: 6px;
			}
		}
	}

	&.toolbar-tall {
		height: 48px;
		a.btn {
			margin-left: 12px;
		}
		a:not(.btn) {
			padding-top: 10px;
			margin-left: 4px;
		}
	}
}