nice css snippets

gistfile1.css

/*-- js/nojs with Modernizr --*/
html.js .js-hide, .no-js-hide
{
    display: none;
}
html.js .no-js-hide
{
    display: inherit;
}

/*-- to detect mobile size in js --*/
/* credit: http://bricss.net/post/22198838298/easily-checking-in-javascript-if-a-css-media-query-has */
@media (max-width: 767px)
{
    body:after
    {
        content: 'mobile';
        display: none;
    }
}
/*
function isMobileSize() {
    var size = window.getComputedStyle(document.body, ':after').getPropertyValue('content');
    return size.indexOf('mobile') != -1;
}
*/