diff --git a/styles.css b/styles.css
index 23f57ee..a7b1fea 100644
--- a/styles.css
+++ b/styles.css
@@ -425,29 +425,35 @@ body {
 
 .gallery-item img {
     width: 100%;
-    height: 100%;
-    object-fit: cover;
+    height: auto;
+    object-fit: contain;
     display: block;
     transition: transform 0.3s ease;
 }
 
-.gallery-item-wide {
-    grid-column: span 2;
-}
-
+.gallery-item-wide,
 .gallery-item-tall {
-    grid-row: span 2;
+    grid-column: 1;
+    grid-row: auto;
 }
 
 .gallery-item-top {
-    /* Contour bleu */
-    border: 4px solid #2196f3;
-    /* Animation subtile au survol */
+    border: none;
     position: relative;
     z-index: 2;
     transition: all 0.3s ease;
 }
 
+.gallery-item-top::before {
+    content: '';
+    position: absolute;
+    inset: 0;
+    border: 4px solid #2196f3;
+    border-radius: 0.5rem;
+    pointer-events: none;
+    z-index: 1;
+}
+
 .gallery-item-top:hover {
     transform: translateY(-8px);
     box-shadow: 0 12px 24px rgba(33, 150, 243, 0.3);
@@ -734,13 +740,21 @@ body {
     }
     
     .gallery-item {
-        width: calc((100% - (2 * 20px)) / 3);
+        min-height: unset;
+        width: 100%;
+        border-radius: 0.5rem;
+        overflow: hidden;
     }
 
     .gallery-grid {
-        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
-        gap: 0.5rem;
+        display: flex;
+        flex-direction: column;
+        align-items: center;
+        gap: 1.5rem;
         padding: 1rem;
+        max-width: 500px;
+        margin: 0 auto;
+        width: 100%;
     }
     
     .gallery-header {
diff --git a/version.txt b/version.txt
index e6d5cb8..a6a3a43 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.0.2
\ No newline at end of file
+1.0.4
\ No newline at end of file