diff --git a/src/scss/cdb-components/boxes.scss b/src/scss/cdb-components/boxes.scss
index d7211ae..5f4e5e2 100644
--- a/src/scss/cdb-components/boxes.scss
+++ b/src/scss/cdb-components/boxes.scss
@@ -21,10 +21,10 @@
   box-shadow: 0  $baseSize  $baseSize * 2 0 rgba(0, 0, 0, 0.16);
 }
 
-.CDB-Box-ModalHeader {
+.CDB-Box-modalHeader {
   background: $cSecondaryBackground;
 }
-.CDB-Box-ModalHeaderItem {
+.CDB-Box-modalHeaderItem {
   @include display-flex();
   @include align-items(center);
   padding: $baseSize + 4 $baseSize * 2;
diff --git a/src/scss/cdb-components/forms/dropdowns.scss b/src/scss/cdb-components/forms/dropdowns.scss
index f78bd63..5258392 100644
--- a/src/scss/cdb-components/forms/dropdowns.scss
+++ b/src/scss/cdb-components/forms/dropdowns.scss
@@ -79,9 +79,9 @@
   <br/>
 
   <div class="CDB-Box-Modal">
-    <div class="CDB-Box-ModalHeader">
+    <div class="CDB-Box-modalHeader">
       <nav class="CDB-NavMenu">
-        <ul class="CDB-NavMenu-Inner CDB-NavMenu-Inner--no-margin CDB-NavMenu-Inner--is-dropdown CDB-Text is-semibold CDB-Size-medium">
+        <ul class="CDB-NavMenu-Inner CDB-NavMenu-inner--no-margin CDB-NavMenu-inner--is-dropdown CDB-Text is-semibold CDB-Size-medium">
           <li class="CDB-NavMenu-Item">
             <button class="CDB-NavMenu-Link">SOLID</button>
           </li>
@@ -90,7 +90,7 @@
           </li>
         </ul>
       </nav>
-      <div class="CDB-Box-ModalHeaderItem">
+      <div class="CDB-Box-modalHeaderItem">
         <input type="text" name="text" placeholder="DejaVu Sans" class="CDB-InputTextPlain CDB-Text">
         <button class="u-lSpace--xl">
           <div class="CDB-Shape">
diff --git a/src/scss/cdb-components/menu.scss b/src/scss/cdb-components/menu.scss
index 9e260cb..75ea375 100644
--- a/src/scss/cdb-components/menu.scss
+++ b/src/scss/cdb-components/menu.scss
@@ -107,10 +107,10 @@
   margin-bottom: 18px;
   border-bottom: 1px solid $cMainLine;
 }
-.CDB-NavMenu-Inner--no-margin {
+.CDB-NavMenu-inner--no-margin {
   margin-bottom: 0;
 }
-.CDB-NavMenu-Inner--is-dropdown {
+.CDB-NavMenu-inner--is-dropdown {
   padding: $baseSize 0 0 $baseSize * 2;
 }