Browser specific CSS rules

|| Google Chrome (version 28+):

@supports (-webkit-appearance:none) {
    nav.tm_navbar {
        background: green;
    }
}       

|| Mozilla Firefox (all versions):

_:-moz-tree-row(hover), nav.tm_navbar {
    background: red;
}       


|| Internet Explorer (version 10+):

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    nav.tm_navbar {
        background: blue;
    }
}