diff --git a/assets/sass/_theme/_configuration.sass b/assets/sass/_theme/_configuration.sass
index 0d55a256d36ff8e346d330b4427531f498dcb940..90df8a9159a363802f32b08794ea83e4777789bf 100644
--- a/assets/sass/_theme/_configuration.sass
+++ b/assets/sass/_theme/_configuration.sass
@@ -23,15 +23,15 @@ $heading-font-family: "Helvetica Neue", "Helvetica", "Arial", sans-serif !defaul
 $line-height-base: 1.4 !default
 
 // Fonts sizes
-$body-font-size: 16px !default
-$small-font-size: 14px !default
+$body-font-size: px2rem(20) !default
+$small-font-size: px2rem(14) !default
 
 $h1-size-md: px2rem(60) !default
-$h2-size-md: px2rem(40) !default
+$h2-size-md: px2rem(45) !default
 $h3-size-md: px2rem(30) !default
-$h4-size-md: px2rem(20) !default
-$h5-size-md: px2rem(18) !default
-$h6-size-md: px2rem(16) !default
+$h4-size-md: px2rem(22) !default
+$h5-size-md: px2rem(20) !default
+$h6-size-md: px2rem(18) !default
 
 $h1-size: px2rem(30) !default
 $h2-size: px2rem(24) !default
@@ -195,8 +195,8 @@ $persons-avatar-background-color: $main-light-color !default
 // Program
 $program-essential-font-size: $h5-size !default
 $program-essential-font-size-md: $h5-size-md !default
-$program-share-font-size: $h4-size !default
-$program-share-font-size-md: $h4-size-md !default
+$program-share-font-size: $h5-size !default
+$program-share-font-size-md: $h5-size-md !default
 $program-zindex-toc: $zindex-toc !default
 
 // MISC
diff --git a/assets/sass/_theme/_utils.sass b/assets/sass/_theme/_utils.sass
index 36fede2979930f292e6a7a93a6660604ba640a82..1b5e5ba9a00442e06ba0a7ea81a03c98e2637588 100644
--- a/assets/sass/_theme/_utils.sass
+++ b/assets/sass/_theme/_utils.sass
@@ -163,7 +163,8 @@
     &:active,
     &:focus
         box-shadow: 0 0 0 0.25rem rgba($main-color, 0.25)
-        outline: 0
+        // TODO : vérifier si l'outline 0 est vraiment nécessaire
+        // outline: 0
 
 @mixin list-reset
     list-style: none
diff --git a/assets/sass/_theme/blocks/pages.sass b/assets/sass/_theme/blocks/pages.sass
index 7c70ade7817e7d7b5b6f036ebe7dbc7711f5a412..321ff480b5ec4e97b8c64214d2acfc8280ccd61b 100644
--- a/assets/sass/_theme/blocks/pages.sass
+++ b/assets/sass/_theme/blocks/pages.sass
@@ -17,22 +17,26 @@
                 display: flex
                 > *
                     flex: 1
+        .main-page
+            .title
+                @extend .h4
+                margin-bottom: 0
+            p:not(.title)
+                @extend .h3
+                @include media-breakpoint-up(lg)
+                    margin-top: $spacing1
 
         .pages
-            @include grid(1)
-            --bs-gutter-y: 0
+            @include grid(1, false, $spacing0)
+            margin-top: $spacing1
             @include media-breakpoint-up(lg)
-                margin-top: 4.5rem
-            > *
-                margin-top: px2rem(10)
-                width: 100%
-
+                margin-top: calc(#{$spacing2} + #{$h4-size-md})
             .page
                 .title
-                    @extend .h4
+                    margin-bottom: 0
                     a
                         @include hover-translate-icon(before, 3)
-                        font-size: px2rem(18)
+                        @extend .h4
                         text-decoration-color: transparent
                         &:hover
                             text-decoration-color: black
@@ -46,6 +50,7 @@
         padding-top: $grid-gutter
         .pages
             @include grid(3, md)
+            margin-top: $spacing2
             .page
                 aspect-ratio: 0.887
                 background-color: $block-pages-card-page-background
diff --git a/assets/sass/_theme/blocks/timeline.sass b/assets/sass/_theme/blocks/timeline.sass
index c1c9bc80517e39f43e36aa9edc9ecb3cc8b19f7b..4303969e0af92583960102b87a49d4119487ed99 100644
--- a/assets/sass/_theme/blocks/timeline.sass
+++ b/assets/sass/_theme/blocks/timeline.sass
@@ -52,7 +52,7 @@
     .timeline-arrows
         display: flex
         > button
-            -webkit-appearance: button
+            @include button-reset
             background: none
             border: none
             color: $block-timeline-horizontal-color
@@ -88,7 +88,7 @@
         .line
             background: $block-timeline-horizontal-color
             height: 1px
-            // margin-bottom: $paragraph-margin-bottom
+            margin-bottom: $spacing1
             opacity: 1
             overflow: visible
             width: calc(100% + #{$grid-gutter})
@@ -109,13 +109,14 @@
             padding-left: col(5)
 
     @include media-breakpoint-down(md)
-        .event
-            width: 85%
-            .line
-                // margin-bottom: px2rem(90)
         .events
             position: relative
         .timeline-arrows
             left: 0
             position: absolute
-            // top: calc(#{px2gitrem(30)} + var(--min-title-height))
+            top: calc(#{$spacing2/2} + var(--min-title-height))
+        .event
+            padding-right: 0
+            width: 75%
+            .line
+                margin-bottom: calc(#{$spacing2} + var(--min-title-height))
diff --git a/assets/sass/_theme/design-system/nav.sass b/assets/sass/_theme/design-system/nav.sass
index 3d3a648cf2856d1adfe46055b5e1c6cd1e243fa0..f867bf37ebd752b50e601e1226065220581d27d7 100644
--- a/assets/sass/_theme/design-system/nav.sass
+++ b/assets/sass/_theme/design-system/nav.sass
@@ -181,6 +181,7 @@ body
         @include media-breakpoint-up(md)
             font-size: $program-share-font-size-md
         @include icon(social, after)
+            font-size: px2rem(20) 
             margin-left: px2rem(10)
     .dropdown-menu
         background: invert($hero-background-color)
diff --git a/assets/sass/_theme/sections/pages.sass b/assets/sass/_theme/sections/pages.sass
index 1759a6703c498311d460323abe2f3a9c0fd80ef8..259d9e11ad61e44187ce9900b737c47905217b9e 100644
--- a/assets/sass/_theme/sections/pages.sass
+++ b/assets/sass/_theme/sections/pages.sass
@@ -1,9 +1,10 @@
 .page
     @include article
-
     .title
+        @extend .h4
         a
             @extend .link-more
 
 .pages
+    @include grid(1)
     @include grid(2, md)