Examples: fix csslint errors.

docs/examples/blog/blog.css

@@ -41,9 +41,6 @@ h6, .h6 {
 }
 
 /* Nav links */
-.blog-nav {
-
-}
 .blog-nav-item {
   position: relative;
   display: inline-block;
@@ -65,7 +62,6 @@ h6, .h6 {
   position: absolute;
   bottom: 0;
   left: 50%;
-  display: block;
   content: " ";
   width: 0;
   height: 0;

docs/examples/grid/grid.css

@@ -17,8 +17,8 @@ h4 {
   padding-top: 15px;
   padding-bottom: 15px;
   background-color: #eee;
-  border: 1px solid #ddd;
   background-color: rgba(86,61,124,.15);
+  border: 1px solid #ddd;
   border: 1px solid rgba(86,61,124,.2);
 }
 

docs/examples/justified-nav/justified-nav.css

@@ -40,8 +40,8 @@ body {
   background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#f5f5f5), color-stop(100%,#e5e5e5)); /* Chrome,Safari4+ */
   background-image: -webkit-linear-gradient(top, #f5f5f5 0%,#e5e5e5 100%); /* Chrome 10+,Safari 5.1+ */
   background-image: -o-linear-gradient(top, #f5f5f5 0%,#e5e5e5 100%); /* Opera 11.10+ */
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f5f5f5', endColorstr='#e5e5e5',GradientType=0 ); /* IE6-9 */
   background-image: linear-gradient(top, #f5f5f5 0%,#e5e5e5 100%); /* W3C */
+  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f5f5f5', endColorstr='#e5e5e5',GradientType=0 ); /* IE6-9 */
 }
 .nav-justified > .active > a,
 .nav-justified > .active > a:hover,

docs/examples/non-responsive/non-responsive.css

@@ -37,8 +37,8 @@ body {
   padding-top: 15px;
   padding-bottom: 15px;
   background-color: #eee;
-  border: 1px solid #ddd;
   background-color: rgba(86,61,124,.15);
+  border: 1px solid #ddd;
   border: 1px solid rgba(86,61,124,.2);
 }