Change post paragraphs' line heights and margins for better readability

web/sass-files/sass/partials/_post.scss

@@ -397,7 +397,8 @@ body.ios {
 		padding: 0;
 	}
 	p {
-		margin: 0 0 5px;
+		margin: 0 0 1em;
+        line-height: 1.6em;
 		font-size: 0.97em;
 		white-space: pre-wrap;
 	}