Fix private margin-bottom at PostHead

Author: velopert

velog-frontend/src/components/post/PostHead/PostHead.scss

@@ -1,4 +1,4 @@
-@import "utils";
+@import 'utils';
 .PostHead {
   &.placeholder {
     .gray-block {
@@ -38,7 +38,7 @@
   }
   margin-top: 4rem;
   font-size: 1rem;
-  @include media("<medium") {
+  @include media('<medium') {
     font-size: 0.875rem;
     margin-top: 0rem;
   }
@@ -61,9 +61,10 @@
     svg {
       margin-right: 4px;
     }
+    margin-bottom: 0.5rem;
   }
   h1 {
-    font-family: "Noto Serif KR", sans-serif;
+    font-family: 'Noto Serif KR', sans-serif;
     margin: 0;
     font-size: 2.5em;
     line-height: 3.2rem;
@@ -73,7 +74,7 @@
     color: $oc-gray-6;
   }
   .userinfo {
-    @include media("<medium") {
+    @include media('<medium') {
       background: $oc-gray-0;
       margin-top: -0.25rem;
       border-top: 1px solid $oc-gray-2;