.layout {
  background: #f2f2f2;
}

.box {
  box-sizing: border-box;
  margin: 30px auto 0 auto;
  max-width: 1280px;
  padding: 4% 30px;
  min-height: 1px;
  zoom: 1;
}

@media screen and (max-width: 767px) {
  .box {
    box-sizing: border-box;
    margin: 20px auto 0 auto;
    max-width: 1280px;
    padding: 10px;
    min-height: 1px;
    zoom: 1;
  }
}