fix css on PopupCreateContent

src/component/CardPopup/CardPopupCreateContent.styl

     border-top-left-radius 10px
     width 100%
     height 8px
-    background-color fileColor
   .createcontent
     width 100%
     &__close
         font-size 30px
       &__title
         font-size 20px
-        color htmlColor
     &__form
       &__input
         width 100%