Rename non-camel-cased css classes

src/components/VolunteerList/__tests__/__snapshots__/VolunteerList.tsx.snap

@@ -2,7 +2,7 @@
 
 exports[`<VolunteerList /> renders 1`] = `
 <div
-  class="user-list"
+  class="VolunteerList"
 >
   <h4>
     Volunteer List

src/components/VolunteerList/index.tsx

@@ -9,7 +9,7 @@ interface Props {
 }
 
 const VolunteerList = ({ items }: Props) => (
-    <div className={styles["user-list"]}>
+    <div className={styles.VolunteerList}>
         <h4>Volunteer List</h4>
         <ul>
             {items.map(({ id, lastname, firstname }) => (

src/components/VolunteerList/styles.module.scss

@@ -1,6 +1,6 @@
 @import "../../theme/variables";
 
-.user-list {
+.VolunteerList {
     color: $color-white;
 
     ul {