diff --git a/header.php b/header.php
index c259af5f..d1368bf7 100644
--- a/header.php
+++ b/header.php
@@ -47,7 +47,7 @@
 <body <?php body_class(); ?>>
 <div id="page" class="hfeed">
 	<?php do_action( 'before' ); ?>
-	<header id="masthead" role="banner">
+	<header id="masthead" class="site-header" role="banner">
 		<hgroup>
 			<h1 class="site-title"><a href="<?php echo home_url( '/' ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h1>
 			<h2 class="site-description"><?php bloginfo( 'description' ); ?></h2>
@@ -59,6 +59,6 @@
 
 			<?php wp_nav_menu( array( 'theme_location' => 'primary' ) ); ?>
 		</nav>
-	</header><!-- #masthead -->
+	</header><!-- #masthead .site-header -->
 
 	<div id="main">
\ No newline at end of file
diff --git a/style.css b/style.css
index 8a53570a..7cbf83ed 100644
--- a/style.css
+++ b/style.css
@@ -351,19 +351,19 @@ a:active {
 /* =Media
 ----------------------------------------------- */
 
-#masthead img,
+.site-header img,
 .entry-content img,
 .comment-content img,
 .widget img {
 	max-width: 100%; /* Fluid images for posts, comments, and widgets */
 }
-#masthead img,
+.site-header img,
 .entry-content img,
 img[class*="align"],
 img[class*="wp-image-"] {
 	height: auto; /* Make sure images with WordPress-added height and width attributes are scaled correctly */
 }
-#masthead img,
+.site-header img,
 .entry-content img,
 img.size-full {
 	max-width: 100%;
