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/style/layouts/_main.scss

@@ -1,6 +1,5 @@
 // Main page
 .housesof {
-    overflow: hidden;
     position: absolute;
     top: 0;
     left: 0;