.container_12 {
  width: 1200px;
}

.s1_grid_12 {
  width: auto;
}

@media only screen and (max-width: 1199px) and (min-width: 600px) {
  .container_12 {
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    max-width: 1300px;
    min-width: 600px;
  }
}

@media only screen and (max-width: 616px) {
  .container_12 {
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    max-width: 600px;
    min-width: 320px;
    display: block;
  }
}