added embed margin and fixed particles velocity

client/stylesheets/base.less

@@ -106,7 +106,7 @@ q {
 }
 
 .iframely-oembed {
-	margin: 0;
+	margin: 4px 0 0 0;
 	clear: both;
 	max-width: 400px;
 	min-height: 200px;

public/scripts/particles.json

@@ -54,7 +54,7 @@
 		},
 		"move": {
 			"enable": true,
-			"speed": 4,
+			"speed": 2.5,
 			"direction": "none",
 			"random": true,
 			"straight": false,