Readapt the misuse of BEM, Code organization

- -- is only for a modifier, not a child "child". Use master__child without the parent__ in it to make it more readable.
https://www.smashingmagazine.com/2016/06/battling-bem-extended-edition-common-problems-and-how-to-avoid-them/
- Redefine atom design components

src/style/pages/_place.scss

@@ -124,14 +124,14 @@
             height: 100%;
             background-color: $color-tertiary;
         }
+    }
 
-        // Wrap
-        &--wrap {
-            padding: 0;
+    // Wrap
+    &__wrap {
+        padding: 0;
 
-            @include breakpoint (md) {
-                padding-left: 128px;
-            }
+        @include breakpoint (md) {
+            padding-left: 128px;
         }
     }