public function setup_content_controls() {
		// Because Customizer doesn't show the default value.
		$font_size_base_value = ! empty( $this->get_option( 'font_size_base' ) )
			? $this->get_option( 'font_size_base' )
			: $this->defaults[ 'font_size_base' ];


		return [
			'font_family'             => [
				'priority' => 3,
				'type'     => 'radio',
				'choices' => [
					'default'  => esc_html_x(
						'Default',
						'Label for option to use default TEC fonts.',
						'the-events-calendar'
					),
					'theme'    => esc_html_x(
						"Inherit theme font(s)",
						'Label for option to use theme fonts.',
						'the-events-calendar'
					)
				],
			],
			'font_size_base'          => [
				'priority' => 6,
				'type'     => 'number',
				'label'    => esc_html_x(
					'By Pixel',
					'The base font size input setting label.',
					'the-events-calendar'
				),
				'input_attrs' => [
					'min'   => '8',
					'max'   => '24',
					'step'  => '1',
					'style' => 'width: 4em;',
					'value' => (int) $font_size_base_value,
				]
			],
			'font_size'               => [
				'priority' => 7,
				'type'     => 'range-slider',
				'label'    => esc_html_x(
					'By Scale',
					'The font size selector setting label.',
					'the-events-calendar'
				),
				'input_attrs' => [
					'min'  => -1,
					'max'  => 1,
					'step' => 1,
				],
				'choices'    => [
					'small'  => $this->small_font_multiplier,
					'medium' => '1',
					'large'  => $this->large_font_multiplier,
				],
			],
			'event_title_color'       => [
				'priority' => 15,
				'type'     => 'color',
				'label'    => esc_html_x(
					'Event Title',
					'The event title color setting label.',
					'the-events-calendar'
				),
			],
			'event_date_time_color'   => [
				'priority' => 17,
				'type'     => 'color',
				'label'    => esc_html_x(
					'Event Date and Time',
					'The event title color setting label.',
					'the-events-calendar'
				),
				'description' => esc_html_x(
					'Main date and time display on views and single event pages',
					'The description for the event date and time color setting.',
					'the-events-calendar'
				),
			],
			'link_color'              => [
				'priority'    => 18,
				'type'        => 'color',
				'label'       => esc_html_x(
					'Link Color',
					'The link color setting label.',
					'the-events-calendar'
				),
				'description' => esc_html__(
					'For displayed URLs',
					'the-events-calendar'
				),
			],
			'background_color_choice' => [
				'priority'    => 25,
				'type'        => 'radio',
				'label'       => esc_html__( 'Background Color', 'the-events-calendar' ),
				'description' => esc_html__( 'All calendar and event pages', 'the-events-calendar' ),
				'choices'     => [
					'transparent' => esc_html_x(
						'Transparent.',
						'Label for option to leave transparent (default).',
						'the-events-calendar'
					),
					'custom'   => esc_html_x(
						'Select Custom Color',
						'Label for option to set a custom color.',
						'the-events-calendar'
					),
				],
			],
			'background_color'        => [
				'priority'  => 26, // Should come right after background_color_choice
				'type'      => 'color',
			],
			'accent_color'            => [
				'priority' => 30,
				'type'     => 'color',
				'label'    => esc_html_x(
					'Accent Color',
					'The event accent color setting label.',
					'the-events-calendar'
				),
			],
		];
	}