add option to not load default css, closes #54

includes/class-options.php

@@ -152,6 +152,14 @@ public function register_options() {
 		);
 
 		// Add a section for network option.
+		add_settings_section(
+			'css_options',
+			'Default CSS',
+			array( $this, 'css_section_intro' ),
+			'doubleclick-for-wordpress'
+		);
+
+		// Add a section for documentation link.
 		add_settings_section(
 			'documentation_options',
 			'Documentation',
@@ -177,8 +185,18 @@ public function register_options() {
 			'breakpoint_options'
 		);
 
+		// Default CSS
+		add_settings_field(
+			'dfw_css',
+			'Use default CSS?',
+			array( $this, 'css_input' ),
+			'doubleclick-for-wordpress',
+			'css_options'
+		);
+
 		register_setting( 'doubleclick-for-wordpress', 'dfw_network_code', array( $this, 'network_code_save' ) );
 		register_setting( 'doubleclick-for-wordpress', 'dfw_breakpoints', array( $this, 'breakpoints_save' ) );
+		register_setting( 'doubleclick-for-wordpress', 'dfw_css' );
 
 	}
 
@@ -191,6 +209,10 @@ public function breakpoints_section_intro() {
 		echo '<em>Example: phone: 0 to 480, tablet 480 to 768, desktop 768 to 9999.</em>';
 	}
 
+	public function css_section_intro() {
+		echo "This plugin has some default CSS to properly label ad units as advertisements and make sure they work with most themes. Check if you would you like to use this default CSS.";
+	}
+
 	public function documentation_section_intro() {
 		echo '<a href="https://github.com/INN/DoubleClick-for-WordPress/blob/master/docs/index.md">Available on GitHub</a>';
 	}
@@ -253,6 +275,11 @@ class="small-text" />
 
 	}
 
+	public function css_input() {
+		$checked = ! empty( get_option( 'dfw_css' ) );
+		echo '<input type="checkbox" value="true" name="dfw_css"' . checked( $checked, 1, false  ) . '>';
+	}
+
 	public function network_code_save( $value ) {
 		$message = null;
 		$type = null;
@@ -313,4 +340,5 @@ public function breakpoints_save( $value ) {
 
 		return $dfw_breakpoints;
 	}
+
 }