صفحات متجاوبة بنظام grid في لغة CSSCSS Grid Media Queries

@media only screen and (max-width: 768px) {
/* For mobile phones: */
  [class*="col-"]
  {
    width: 100%;
  }
}

@media only screen and (min-width: 768px)
{
  /* For desktop: */
  .col-1 {width: 8.33%;}
  .col-2 {width: 16.66%;}
  .col-3 {width: 25%;}
  .col-4 {width: 33.33%;}
  .col-5 {width: 41.66%;}
  .col-6 {width: 50%;}
  .col-7 {width: 58.33%;}
  .col-8 {width: 66.66%;}
  .col-9 {width: 75%;}
  .col-10 {width: 83.33%;}
  .col-11 {width: 91.66%;}
  .col-12 {width: 100%;}
}