.notice {
  margin: 5px 0 15px 0;
  padding: 5px;
  width: 100%;
  border-radius: 5px;
  background-color: #fff;
  color: #f00;
  border: 1px solid  #ccc;
  text-align: center;
  font-size: 11px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
@media (min-width: 600px) {
  .notice {
    margin-left: auto;
    margin-right: auto;
    width: 580px;
    font-size: 14px;
  }
}