diff --git a/projects/systelab-components/sass/modern/_spinner.scss b/projects/systelab-components/sass/modern/_spinner.scss
index 420c524d..43f43726 100644
--- a/projects/systelab-components/sass/modern/_spinner.scss
+++ b/projects/systelab-components/sass/modern/_spinner.scss
@@ -35,7 +35,7 @@ systelab-spinner {
 
     }
 
-    #minus-button, #plus-button {
+    .spinner-buttons {
       background-color: var(--slab_background_primary);
       border: 1px solid var(--slab_component_border_color);
       color: var(--ag-data-color);
diff --git a/projects/systelab-components/src/lib/spinner/spinner.component.html b/projects/systelab-components/src/lib/spinner/spinner.component.html
index f8d94022..863172a2 100644
--- a/projects/systelab-components/src/lib/spinner/spinner.component.html
+++ b/projects/systelab-components/src/lib/spinner/spinner.component.html
@@ -1,7 +1,7 @@
 <div class="slab-spinner-container d-flex">
     <div class="input-group">
         <div class="input-group-prepend">
-            <button type="button" id="minus-button" class="btn pt-0 pb-0 pl-1 pr-1"  [disabled]="disabled" [tabIndex]="-1"
+            <button type="button" id="minus-button" class="btn pt-0 pb-0 pl-1 pr-1 spinner-buttons" [disabled]="disabled" [tabIndex]="-1"
                     [class.disabled]="disabled" [class.slab-spinner-error]="error" (click)="minus()"><i
                     class="icon-minus-thin"></i></button>
         </div>
@@ -13,7 +13,7 @@
                (blur)="checkValue(valueStr)"
                autocomplete="off" [disabled]="disabled">
         <div class="input-group-append">
-            <button type="button" id="plus-button" class="btn pt-0 pb-0 pl-1 pr-1" [disabled]="disabled" [tabIndex]="-1"
+            <button type="button" id="plus-button" class="btn pt-0 pb-0 pl-1 pr-1 spinner-buttons" [disabled]="disabled" [tabIndex]="-1"
                     [class.disabled]="disabled" [class.slab-spinner-error]="error" (click)="plus()"><i
                     class="icon-plus-thin"></i></button>
         </div>