Edit in JSFiddle

var obj = $('#fire');
var fps = 200;
var letters = obj.html().split('');
obj.empty();
$.each(letters,function(el){
    obj.append($('<span>'+this+'</span>'));
});

    
<p id="fire">Your Domain</p>
body{
    background:#000;
}
p{
    text-align:center;
    font:900 120px/150px Arial;
    padding-top:150px;    
    color:#000;  
    white-space:nowrap;
    text-shadow:
        -2px -1px 2px purple,
        2px -2px 2px blue,
        2px -10px 20px white,
        0 -2px 6px red,
        2px -2px 10px white,     
        5px -10px 15px lightyellow,
        8px -20px 20px yellow,
        12px -30px 25px orange,
        5px -60px 40px orange,
        15px -34px 30px darkorange,
        0px -36px 35px red,
        40px -40px 50px red,
        -20px -60px 40px red,
        20px -80px 40px red,
        40px -80px 40px red,
        20px -120px 60px red,
        20px -150px 80px black,
        50px -160px 80px black,
        100px -200px 100px black,
        120px -150px 100px black,
        100px -100px 100px black,
        120px -220px 100px black,
        200px -300px 150px black
        ;   
    
}