diff --git a/src/styles/todo.scss b/src/styles/todo.scss
index 4576af434..fd5f6aa10 100644
--- a/src/styles/todo.scss
+++ b/src/styles/todo.scss
@@ -73,6 +73,7 @@
   &__title-field {
     width: 100%;
     padding: 11px 14px;
+    box-sizing: border-box;
 
     font-size: inherit;
     line-height: inherit;
diff --git a/src/styles/todoapp.scss b/src/styles/todoapp.scss
index e289a9458..cf79aa03b 100644
--- a/src/styles/todoapp.scss
+++ b/src/styles/todoapp.scss
@@ -58,6 +58,7 @@
   &__new-todo {
     width: 100%;
     padding: 16px 16px 16px 60px;
+    box-sizing: border-box;
 
     font-size: 24px;
     line-height: 1.4em;