Fixed a couple of things

sass/_mixins.scss

@@ -58,3 +58,10 @@
 		*display: inline; 
 	}
 }
+
+@mixin prefix($property, $value) {
+	$vendors: "-webkit-", "-moz-", "-ms-", "-o-", "";
+	@each $v in $vendors {
+		#{$v}#{$property}: $value;
+	}
+}

sass/_print.scss

@@ -36,11 +36,7 @@
 	 * Try turning images to black and white if supported filters
 	 */
 	img { 
-		-webkit-filter: grayscale(100%);
+		@include prefix(filter, grayscale(100%));
-		-moz-filter: grayscale(100%);
-		-ms-filter: grayscale(100%);
-		-o-filter: grayscale(100%);
-		filter: grayscale(100%);
 	}
 
 	/**

sass/_reset.scss

@@ -163,21 +163,3 @@ body > style {
 		}
 	}
 }
-
-/* Quick print reset */
-@media print {
-	p, blockquote {
-		orphans: 2;
-		widows: 2;
-	}
-
-	blockquote,
-	ul, ol {
-		page-break-inside: avoid;
-	}
-
-	h1, h2, h3,
-	caption {
-		page-break-after: avoid;
-	}
-}

sass/_tables.scss

@@ -12,8 +12,17 @@ table,
 	vertical-align: top;
 }
 
+/**
+ * 1. Prevent reCAPTCHA from exploding
+ * See: https://github.com/raphaelgoetter/KNACSS/issues/18
+ */
 table {
 	width: 100%;
+	border: $border;
+
+	&#recaptcha_table {
+		table-layout: auto; /* 1 */
+	}
 }
 
 .table {
@@ -26,10 +35,6 @@ caption {
 	font-style: italic;	
 }
 
-table { 
-	border: $border;
-}
-
 thead {
 	@include mq(tiny) {
 		display: none;