Fix CopyableInput button CSS

app/styles/forms.scss

@@ -793,18 +793,23 @@ code {
   display: flex;
   align-items: center;
   justify-content: center;
+  height: 38px;
 
   input {
     flex: 1;
     font-size: 14px !important;
     border-radius: 4px 0 0 4px !important;
+    height: 100%;
   }
 
   button {
     width: auto;
     font-size: 14px;
     margin: 0;
-    padding-bottom: 9px;
     border-radius: 0 4px 4px 0;
+    height: 100%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
   }
 }