Fix some responsive and style

- Fullscreen: center image + add a background color
- Carousel: don't cut informations
- Title location font size
- Style location line height
- Photo reveal effect
- Photo has now a transparent png

src/routes/_layout.svelte

@@ -1,6 +1,4 @@
 <script context="module">
-    import { apiEndpoints } from 'utils/store'
-
     export async function preload (page, session) {
         const req = await this.fetch(apiEndpoints.gql, {
             method: 'post',
@@ -68,6 +66,7 @@
     import { fade } from 'svelte/transition'
     import { stores } from '@sapper/app'
     import {
+        apiEndpoints,
         site,
         continents,
         countries,