swatchmaker: add padding-top to test page

swatchmaker/test/bootswatch.css

@@ -24,13 +24,12 @@ section {
 
 @media (max-width: 767px) {
 
-
 	section {
 		padding-top: 20px;
 	}
 }
 
-@media (max-width: 979px) and (min-width: 768px) {
+@media (min-width: 768px) and (max-width: 979px) {
 
 	section {
 		padding-top: 20px;
@@ -52,6 +51,13 @@ section {
 	min-height: 200px;
 }
 
+@media (min-width: 980px) {
+
+	.preview {
+		padding-top: 100px;
+	}
+}
+
 /* subnav */
  
 .subnav {