refactor: global css 추가, 홈 화면 스타일 수정

Author: sikkzz

src/components/Home/Home.module.scss

@@ -39,7 +39,6 @@
     display: flex;
     justify-content: center;
     align-items: center;
-    margin-top: 3.75rem;
 
     & > img {
       width: 16.25rem;
@@ -51,6 +50,5 @@
     display: flex;
     align-items: center;
     gap: 0.875rem;
-    margin-top: auto;
   }
 }