diff --git a/hdyc-svelte/src/lib/components/ScientificNotationValue.svelte b/hdyc-svelte/src/lib/components/ScientificNotationValue.svelte
index a42cf22..70fee25 100644
--- a/hdyc-svelte/src/lib/components/ScientificNotationValue.svelte
+++ b/hdyc-svelte/src/lib/components/ScientificNotationValue.svelte
@@ -15,7 +15,8 @@
   <span class={`scientific-notation ${className}`.trim()}>
     <span class="scientific-base">{scientific.base}</span>
     <span class="scientific-suffix">
-      ×10<sup>{scientific.exponent}</sup>
+      ×10
+      <span class="scientific-exponent">{scientific.exponent}</span>
     </span>
   </span>
 {:else}
@@ -33,14 +34,15 @@
   }
 
   .scientific-suffix {
-    display: inline-flex;
-    align-items: baseline;
-    gap: 0.15rem;
+    display: inline-block;
     font-size: 0.85em;
   }
 
-  .scientific-suffix sup {
+  .scientific-exponent {
+    display: inline-block;
     font-size: 0.75em;
+    line-height: 1;
     vertical-align: super;
+    margin-left: 0.1rem;
   }
 </style>