Browser dependent styles

HTML

<div class="targetted-div">
    This is it!
</div>

CSS

.targetted-div
{
    font-size: 36px;
}

.for-chrome
{
    -webkit-text-fill-color: pink;
    -webkit-text-stroke-color: Red;
    -webkit-text-stroke-width: 2px;
}

JavaScript

$(document).ready(main);

function isChrome() {
    return navigator.userAgent.indexOf("Chrome") >- 1;   
}

function main() {
    if(isChrome()) {
        $(".targetted-div").addClass("for-chrome");
    }
}