Remove unnecessary newline and fix indentation in entry-footer styles

Author: mingcheng

themes/PaperMod/assets/css/common/post-entry.css

@@ -1,4 +1,3 @@
-
 .main .post-entry:first-of-type {
     margin-top: var(--gap);
 }
@@ -40,6 +39,9 @@
 .entry-footer {
     color: var(--secondary);
     font-size: 13px;
+    span {
+            margin-right: 1em;
+        }
 }
 
 .entry-link {