@media only screen and (max-width: 600px) {

  /* CSS rules for mobile devices */

}

@media only screen and (max-width: 600px) {

    ...your css here and you're good to go!

}

/* CSS media query for mobile devices */

@media only screen and (max-width: 767px) {

  /* Add your mobile-specific CSS styles here */

  body {

    background-color: #f2f2f2;

    font-size: 14px;

  }

  /* ... */

}

/* Styles for devices with a maximum width of 768 pixels (e.g., mobile phones) */

@media only screen and (max-width: 768px) {

  /* Add your CSS styles for mobile devices here */

}

​

/* Styles for devices with a maximum width of 480 pixels (e.g., smaller mobile phones) */

@media only screen and (max-width: 480px) {

  /* Add your CSS styles for smaller mobile devices here */

}

@media (min-width:320px)  { /* smartphones, iPhone, portrait 480x320 phones */ }

@media (min-width:481px)  { /* portrait e-readers (Nook/Kindle), smaller tablets @ 600 or @ 640 wide. */ }

@media (min-width:641px)  { /* portrait tablets, portrait iPad, landscape e-readers, landscape 800x480 or 854x480 phones */ }

@media (min-width:961px)  { /* tablet, landscape iPad, lo-res laptops ands desktops */ }

@media (min-width:1025px) { /* big landscape tablets, laptops, and desktops */ }

@media (min-width:1281px) { /* hi-res laptops and desktops */ }

​

@media only screen and (max-width: 768px) {

  /* CSS rules specific to mobile devices */

  /* Add your styles here */

}