diff --git a/src/components/asset-panel/selector.css b/src/components/asset-panel/selector.css
index 535c38b0b..ad24ed954 100644
--- a/src/components/asset-panel/selector.css
+++ b/src/components/asset-panel/selector.css
@@ -56,7 +56,7 @@ $fade-out-distance: 100px;
 
 .list-item {
     width: 5rem;
-    min-height: 5rem;
+    height: 5rem;
     margin: 0.5rem auto;
 }
 
diff --git a/src/components/backpack/backpack.css b/src/components/backpack/backpack.css
index ad7644c64..de7bc72d2 100644
--- a/src/components/backpack/backpack.css
+++ b/src/components/backpack/backpack.css
@@ -69,9 +69,17 @@
 }
 
 .backpack-item {
-    min-width: 4rem;
-    max-width: 6rem;
+    width: 4rem;
+    height: 4.5rem;
     margin: 0 0.25rem;
+
+    /* Need to hide overflow because of background setting below */
+    overflow: hidden;
+}
+
+.backpack-item > div {
+    /* Need to set the background to get blend-mode below to work */
+    background: $ui-primary;
 }
 
 .backpack-item img {
diff --git a/src/components/sprite-selector-item/sprite-selector-item.css b/src/components/sprite-selector-item/sprite-selector-item.css
index 7a2c1f4ce..ee20c444c 100644
--- a/src/components/sprite-selector-item/sprite-selector-item.css
+++ b/src/components/sprite-selector-item/sprite-selector-item.css
@@ -39,8 +39,24 @@
     filter: drop-shadow(0px 0px 2px  $ui-black-transparent);
 }
 
+/* Outer/Inner chicanery is to prevent layouts when sprite image changes */
+.sprite-image-outer {
+    position: relative;
+    width: 100%;
+    height: 100%;
+    transform: translateZ(0);
+}
+
+.sprite-image-inner {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+}
+
 .sprite-image {
-    margin: auto;
     user-select: none;
     pointer-events: none;
     max-width: 32px;
diff --git a/src/components/sprite-selector-item/sprite-selector-item.jsx b/src/components/sprite-selector-item/sprite-selector-item.jsx
index ef5b85f19..3f9ba0494 100644
--- a/src/components/sprite-selector-item/sprite-selector-item.jsx
+++ b/src/components/sprite-selector-item/sprite-selector-item.jsx
@@ -37,11 +37,15 @@ const SpriteSelectorItem = props => (
             <div className={styles.number}>{props.number}</div>
         )}
         {props.costumeURL ? (
-            <img
-                className={styles.spriteImage}
-                draggable={false}
-                src={props.costumeURL}
-            />
+            <div className={styles.spriteImageOuter}>
+                <div className={styles.spriteImageInner}>
+                    <img
+                        className={styles.spriteImage}
+                        draggable={false}
+                        src={props.costumeURL}
+                    />
+                </div>
+            </div>
         ) : null}
         <div className={styles.spriteInfo}>
             <div className={styles.spriteName}>{props.name}</div>