diff --git a/lib/process-services/process-list/components/start-process.component.scss b/lib/process-services/process-list/components/start-process.component.scss
index acfc582aec..b95df69d10 100644
--- a/lib/process-services/process-list/components/start-process.component.scss
+++ b/lib/process-services/process-list/components/start-process.component.scss
@@ -1,8 +1,8 @@
 .adf {
     &-start-process {
-        width: calc(66.6666% - 48px);
-        margin-left: calc(33.3333333333% / 2);
-        margin-right: calc(33.3333333333% / 2);
+        width: 66%;
+        margin-left: auto;
+        margin-right: auto;
         margin-top: 10px;
         .mat-select-trigger {
             font-size: 14px !important;
@@ -35,4 +35,12 @@
     &-start-form-actions {
         text-align: right !important;
     }
-}
\ No newline at end of file
+}
+
+@media (max-width: 600px) {
+    .adf-start-process {
+        width: 90%;
+        margin-left: auto;
+        margin-right: auto;
+    }
+}
diff --git a/lib/process-services/task-list/components/start-task.component.scss b/lib/process-services/task-list/components/start-task.component.scss
index bacc5a00e6..6aa9d0d25e 100644
--- a/lib/process-services/task-list/components/start-task.component.scss
+++ b/lib/process-services/task-list/components/start-task.component.scss
@@ -14,9 +14,9 @@
     }
 
     .adf-new-task-layout-card {
-        width: 66.6667%;
-        margin-right: calc(33.3333% / 2 - 24px);
-        margin-left: calc(33.3333% / 2 - 24px);
+        width: 66%;
+        margin-right: auto;
+        margin-left: auto;
         margin-top: 10px;
         margin-bottom: 10px;
         padding: 0px;
@@ -110,3 +110,11 @@
         }
     }
 }
+
+@media (max-width: 600px) {
+    .adf-new-task-layout-card {
+        width: 90%;
+        margin-left: auto;
+        margin-right: auto;
+    }
+}