diff --git a/res/css/views/dialogs/security/_AccessSecretStorageDialog.scss b/res/css/views/dialogs/security/_AccessSecretStorageDialog.scss
index 5756290505..fc24f27858 100644
--- a/res/css/views/dialogs/security/_AccessSecretStorageDialog.scss
+++ b/res/css/views/dialogs/security/_AccessSecretStorageDialog.scss
@@ -14,126 +14,132 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-.mx_AccessSecretStorageDialog_titleWithIcon::before {
-    content: '';
-    display: inline-block;
-    width: 24px;
-    height: 24px;
-    margin-inline-end: $spacing-8;
-    position: relative;
-    top: 5px; // TODO: spacing variable
-    background-color: $primary-content;
-}
+.mx_AccessSecretStorageDialog {
+    .mx_AccessSecretStorageDialog_titleWithIcon {
+        &::before {
+            content: '';
+            display: inline-block;
+            width: 24px;
+            height: 24px;
+            margin-inline-end: $spacing-8;
+            position: relative;
+            top: 5px; // TODO: spacing variable
+            background-color: $primary-content;
+        }
 
-.mx_AccessSecretStorageDialog_resetBadge::before {
-    // The image isn't capable of masking, so we use a background instead.
-    background-image: url("$(res)/img/element-icons/warning-badge.svg");
-    background-size: 24px;
-    background-color: transparent;
-}
+        &.mx_AccessSecretStorageDialog_resetBadge::before {
+            // The image isn't capable of masking, so we use a background instead.
+            background-image: url("$(res)/img/element-icons/warning-badge.svg");
+            background-size: 24px;
+            background-color: transparent;
+        }
 
-.mx_AccessSecretStorageDialog_secureBackupTitle::before {
-    mask-image: url('$(res)/img/feather-customised/secure-backup.svg');
-}
+        &.mx_AccessSecretStorageDialog_secureBackupTitle::before {
+            mask-image: url('$(res)/img/feather-customised/secure-backup.svg');
+        }
 
-.mx_AccessSecretStorageDialog_securePhraseTitle::before {
-    mask-image: url('$(res)/img/feather-customised/secure-phrase.svg');
-}
-
-.mx_AccessSecretStorageDialog_keyStatus {
-    height: 30px;
-}
-
-.mx_AccessSecretStorageDialog_passPhraseInput {
-    width: 300px;
-    border: 1px solid $accent;
-    border-radius: 5px;
-}
-
-.mx_AccessSecretStorageDialog_recoveryKeyEntry {
-    display: flex;
-    align-items: center;
-}
-
-.mx_AccessSecretStorageDialog_recoveryKeyEntry_textInput {
-    flex-grow: 1;
-}
-
-.mx_AccessSecretStorageDialog_recoveryKeyEntry_entryControlSeparatorText {
-    margin: $spacing-16;
-}
-
-.mx_AccessSecretStorageDialog_recoveryKeyFeedback {
-    &::before {
-        content: "";
-        display: inline-block;
-        vertical-align: bottom;
-        width: 20px;
-        height: 20px;
-        mask-repeat: no-repeat;
-        mask-position: center;
-        mask-size: 20px;
-        margin-inline-end: 5px; // TODO: spacing variable
+        &.mx_AccessSecretStorageDialog_securePhraseTitle::before {
+            mask-image: url('$(res)/img/feather-customised/secure-phrase.svg');
+        }
     }
-}
 
-.mx_AccessSecretStorageDialog_recoveryKeyFeedback_valid {
-    color: $accent;
-    &::before {
-        mask-image: url('$(res)/img/feather-customised/check.svg');
-        background-color: $accent;
-    }
-}
+    .mx_AccessSecretStorageDialog_primaryContainer {
+        .mx_AccessSecretStorageDialog_passPhraseInput {
+            width: 300px;
+            border: 1px solid $accent;
+            border-radius: 5px;
+        }
 
-.mx_AccessSecretStorageDialog_recoveryKeyFeedback_invalid {
-    color: $alert;
-    &::before {
-        mask-image: url('$(res)/img/feather-customised/x.svg');
-        background-color: $alert;
-    }
-}
+        .mx_AccessSecretStorageDialog_keyStatus {
+            height: 30px;
+        }
 
-.mx_AccessSecretStorageDialog_recoveryKeyEntry_fileInput {
-    display: none;
-}
+        .mx_AccessSecretStorageDialog_recoveryKeyEntry {
+            display: flex;
+            align-items: center;
 
-.mx_AccessSecretStorageDialog_primaryContainer {
-    .mx_Dialog_buttons {
-        $spacingStart: $spacing-24;  // 16px icon + 8px padding
+            .mx_AccessSecretStorageDialog_recoveryKeyEntry_textInput {
+                flex-grow: 1;
+            }
 
-        text-align: initial;
-        display: flex;
-        flex-flow: column;
-        gap: 14px;  // TODO: spacing variable
+            .mx_AccessSecretStorageDialog_recoveryKeyEntry_entryControlSeparatorText {
+                margin: $spacing-16;
+            }
 
-        .mx_Dialog_buttons_additive {
-            float: none;
+            .mx_AccessSecretStorageDialog_recoveryKeyEntry_fileInput {
+                display: none;
+            }
+        }
 
-            .mx_AccessSecretStorageDialog_reset {
-                position: relative;
-                padding-inline-start: $spacingStart;
+        .mx_AccessSecretStorageDialog_recoveryKeyFeedback {
+            &::before {
+                content: "";
+                display: inline-block;
+                vertical-align: bottom;
+                width: 20px;
+                height: 20px;
+                mask-repeat: no-repeat;
+                mask-position: center;
+                mask-size: 20px;
+                margin-inline-end: 5px; // TODO: spacing variable
+            }
+
+            &.mx_AccessSecretStorageDialog_recoveryKeyFeedback--valid {
+                color: $accent;
 
                 &::before {
-                    content: "";
-                    display: inline-block;
-                    position: absolute;
-                    height: 16px;
-                    width: 16px;
-                    left: 0;
-                    top: 2px; // alignment
-                    background-image: url("$(res)/img/element-icons/warning-badge.svg");
-                    background-size: contain;
+                    mask-image: url('$(res)/img/feather-customised/check.svg');
+                    background-color: $accent;
                 }
+            }
 
-                .mx_AccessSecretStorageDialog_reset_link {
-                    color: $alert;
+            &.mx_AccessSecretStorageDialog_recoveryKeyFeedback--invalid {
+                color: $alert;
+
+                &::before {
+                    mask-image: url('$(res)/img/feather-customised/x.svg');
+                    background-color: $alert;
                 }
             }
         }
 
-        .mx_Dialog_buttons_row {
-            gap: $spacing-16; // TODO: needs normalization
-            padding-inline-start: $spacingStart;
+        .mx_Dialog_buttons {
+            $spacingStart: $spacing-24;  // 16px icon + 8px padding
+
+            text-align: initial;
+            display: flex;
+            flex-flow: column;
+            gap: 14px;  // TODO: spacing variable
+
+            .mx_Dialog_buttons_additive {
+                float: none;
+
+                .mx_AccessSecretStorageDialog_reset {
+                    position: relative;
+                    padding-inline-start: $spacingStart;
+
+                    &::before {
+                        content: "";
+                        display: inline-block;
+                        position: absolute;
+                        height: 16px;
+                        width: 16px;
+                        left: 0;
+                        top: 2px; // alignment
+                        background-image: url("$(res)/img/element-icons/warning-badge.svg");
+                        background-size: contain;
+                    }
+
+                    .mx_AccessSecretStorageDialog_reset_link {
+                        color: $alert;
+                    }
+                }
+            }
+
+            .mx_Dialog_buttons_row {
+                gap: $spacing-16; // TODO: needs normalization
+                padding-inline-start: $spacingStart;
+            }
         }
     }
 }
diff --git a/src/components/views/dialogs/security/AccessSecretStorageDialog.tsx b/src/components/views/dialogs/security/AccessSecretStorageDialog.tsx
index ee6d884b8c..950768e11e 100644
--- a/src/components/views/dialogs/security/AccessSecretStorageDialog.tsx
+++ b/src/components/views/dialogs/security/AccessSecretStorageDialog.tsx
@@ -366,8 +366,8 @@ export default class AccessSecretStorageDialog extends React.PureComponent<IProp
 
             const feedbackClasses = classNames({
                 'mx_AccessSecretStorageDialog_recoveryKeyFeedback': true,
-                'mx_AccessSecretStorageDialog_recoveryKeyFeedback_valid': this.state.recoveryKeyCorrect === true,
-                'mx_AccessSecretStorageDialog_recoveryKeyFeedback_invalid': this.state.recoveryKeyCorrect === false,
+                'mx_AccessSecretStorageDialog_recoveryKeyFeedback--valid': this.state.recoveryKeyCorrect === true,
+                'mx_AccessSecretStorageDialog_recoveryKeyFeedback--invalid': this.state.recoveryKeyCorrect === false,
             });
             const recoveryKeyFeedback = <div className={feedbackClasses}>
                 { this.getKeyValidationText() }