fix styles

Author: chargome

src/components/expandable/style.module.scss

@@ -8,22 +8,24 @@
 }
 
 .expandable-title-container {
+  flex: 1;
   display: flex;
   align-items: center;
   gap: 0.7rem;
 }
 
 .copy-button {
-  background-color: var(--code-block-background);
-  color: var(--text-default);
   border: 1px solid var(--gray-200);
   padding: 0.25rem 0.75rem;
-  border-radius: var(--border-radius-medium);
+  border-radius: 0.25rem;
   cursor: pointer;
-  font-size: var(--font-size-small);
+  font-size: 0.75rem;
   font-weight: 500;
   line-height: 1.2;
-  transition: background-color 150ms linear, border-color 150ms linear, color 150ms linear;
+  transition:
+    background-color 150ms linear,
+    border-color 150ms linear,
+    color 150ms linear;
 
   &:hover {
     background-color: var(--gray-100);