/* 0 px - 640 px */
@media screen and (max-width: 640px){
  .main{
   width: 98%;
   min-width: 98%;
   padding: 1px 1% 1px 1%;
  }
  FORM TABLE TR TD,
  FORM TABLE TR TD.left,
  FORM TABLE TR TD.right,
  FORM TABLE TR TD.center{
   display: block;
   text-align: center;
  }
  TABLE.table TR TD,
  TABLE.table TR TD.left,
  TABLE.table TR TD.right,
  TABLE.table TR TD.center{
   display: block;
   text-align: left;
  }
  INPUT.i, TEXTAREA{ width: calc(100% - 30px); }
}