Gallerie carousel: Ajustement des hauteurs d'image (#587)

assets/sass/_theme/blocks/gallery.sass

@@ -91,14 +91,12 @@
                 margin-right: calc(var(--grid-gutter) / 2)
                 picture
                     img
-                        // FIXME Arnaud: I would like images at constant height, can't manage to get it right.
-                        max-height: $block-gallery-carousel-max-height
+                        height: $block-gallery-carousel-max-height
                         width: auto
-                        height: auto
-                        max-width: calc(100vw - #{var(--grid-gutter)} * 2)
+                        max-width: none
                         @include media-breakpoint-up(desktop)
-                            height: $block-gallery-carousel-max-height
+                            height: $block-gallery-carousel-max-height-desktop
                             width: auto
                             max-width: none
                 @include in-page-without-sidebar
-                    margin-right: var(--grid-gutter)
+                    margin-right: var(--grid-gutter)
\ No newline at end of file

assets/sass/_theme/configuration/blocks.sass

@@ -106,8 +106,8 @@ $block-key_figures-number-font-size-xxl: pxToRem(80) !default
 
 // Block gallery
 $block-gallery-carousel-background: var(--color-background-alt) !default
-$block-gallery-carousel-max-height: 70vh !default
-
+$block-gallery-carousel-max-height: 40vh !default
+$block-gallery-carousel-max-height-desktop: 60vh !default
 // Block image
 $block-image-max-height-with-sidebar: calc(100vh - var(--header-height)) !default
 $block-image-max-height-without-sidebar: none !default