infn8 · April 5, 2018 11:11 · Mar 4, 2015 · Mar 4, 2015
diff --git a/readme.md b/readme.md
@@ -0,0 +1,12 @@
+# Instructions
+
+Add the code above to your theme's ```functions.php``` file.  
+
+Alter the size of ```$containerLG``` if you have changed the BS 3 grid.  you can then call the images in you themes like so:
+
+```
+<?php 
+the_post_thumbnail( 'col-lg-3'); 
+?> 
+```
+That will call an image that's maxed at a width of 1/4 of the full container width. 
diff --git a/functions.php b/functions.php
@@ -0,0 +1,14 @@
+function add_theme_features()  {
+	// Add Image Sizes
+	$containerLG = 1170; // Change this if you have updated the largest bootstrap container width.
+	for ($i=1; $i <= 12; $i++) {
+		add_image_size(
+			'col-lg-'.$i,
+			ceil($containerLG / 12 * $i),
+			ceil($containerLG / 12 * $i) * 10,
+			false
+		);
+	}
+}
+// Hook into the 'after_setup_theme' action
+add_action( 'after_setup_theme', 'add_theme_features' );
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