Detect device with CSS

media.css

/* smartphones, touchscreens */
@media (hover: none) and (pointer: coarse) {
    /* ... */
}

/* stylus-based screens */
@media (hover: none) and (pointer: fine) {
    /* ... */
}

/* Nintendo Wii controller, Microsoft Kinect */
@media (hover: hover) and (pointer: coarse) {
    /* ... */
}

/* mouse, touch pad */
@media (hover: hover) and (pointer: fine) {
    /* ... */
}



/*==================================================
=            Bootstrap 3 Media Queries             =
==================================================*/

    /*==========  Mobile First Method  ==========*/

    /* Custom, iPhone Retina */ 
    @media only screen and (min-width : 320px) {

    }

    /* Extra Small Devices, Phones */ 
    @media only screen and (min-width : 480px) {

    }

    /* Small Devices, Tablets */
    @media only screen and (min-width : 768px) {

    }

    /* Medium Devices, Desktops */
    @media only screen and (min-width : 992px) {

    }

    /* Large Devices, Wide Screens */
    @media only screen and (min-width : 1200px) {

    }

    /*==========  Non-Mobile First Method  ==========*/

    /* Large Devices, Wide Screens */
    @media only screen and (max-width : 1200px) {

    }

    /* Medium Devices, Desktops */
    @media only screen and (max-width : 992px) {

    }

    /* Small Devices, Tablets */
    @media only screen and (max-width : 768px) {

    }

    /* Extra Small Devices, Phones */ 
    @media only screen and (max-width : 480px) {

    }

    /* Custom, iPhone Retina */ 
    @media only screen and (max-width : 320px) {

    }