diff --git a/src/components/MosaicViewport.vue b/src/components/MosaicViewport.vue
index e617532..2b6e207 100644
--- a/src/components/MosaicViewport.vue
+++ b/src/components/MosaicViewport.vue
@@ -15,9 +15,9 @@
                 ]"
                 :style="{
                     left: cell.x * 100 + 'vw',
-                    top: cell.y * 100 + 'vh',
+                    top: cell.y * 100 + 'dvh',
                     width: cell.width * 100 + 'vw',
-                    height: cell.height * 100 + 'vh',
+                    height: cell.height * 100 + 'dvh',
                 }"
                 :to="{
                     name: 'mosaic-item',