Fix About page pictures border radius and present section picture height

src/style/pages/_about.scss

@@ -3,6 +3,7 @@
         overflow: hidden;
         background: $color-primary-tertiary20;
         border-radius: 8px;
+        transform: translateZ(0);
 
         @include bp (md) {
             border-radius: 16px;
@@ -263,6 +264,9 @@
                 border-radius: 12px;
             }
 
+            :global(picture) {
+                height: 100%;
+            }
             :global(img) {
                 display: block;
                 width: 100%;