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/_homepage.scss

@@ -50,7 +50,7 @@
         }
 
         // Photos
-        .gallery__images--photo {
+        .gallery__photo {
             &:before {
                 background-color: $color-secondary;
             }

src/style/pages/_page.scss

@@ -40,26 +40,23 @@
         }
     }
 
-    // List
-    &__list {
-        // Category
-        &--category {
-            margin-bottom: 96px;
-            text-align: center;
+    // Category
+    &__category {
+        margin-bottom: 96px;
+        text-align: center;
 
-            &:last-child {
-                margin-bottom: 0;
-            }
+        &:last-child {
+            margin-bottom: 0;
+        }
 
-            h2 {
-                margin-bottom: 56px;
-            }
-            dl {
-                margin-bottom: 40px;
-            }
-            dt {
-                margin-bottom: 8px;
-            }
+        h2 {
+            margin-bottom: 56px;
+        }
+        dl {
+            margin-bottom: 40px;
+        }
+        dt {
+            margin-bottom: 8px;
         }
     }
 

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;
         }
     }