revert unwillingly deleted fix from alexicauvin

src/component/Input/TextAreaApp/TextAreaApp.styl

@@ -8,15 +8,15 @@
   flex-direction column
   align-items center
   width 100%
+  height calc(100% - 50px)
   &__text
     margin-bottom 25px
     width 100%
-    height 250px
+    height calc(100% - 50px)
   &__button
-    display flex
-    justify-content flex-end
-    margin-top 15px
+    margin 25px 0
     width 100%
+    text-align right
     &__cancel
       cursor pointer
     &__submit