Html Simple Tooltip

i have referred the simple tooltip, that is how can we used in our site. 

HTML :

<p data-tip="This is the text of the tooltip">This is a paragraph of text that has a tooltip.</p>

<div data-tip="This is the text of the tooltip2">
    <input type="text" name="test" value="44"/>
</div>

CSS:

[data-tip] {
    position:relative;
}

[data-tip]:before {
    content:'';
    /* hides the tooltip when not hovered */
    display:none;
    content:'';
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid #1a1a1a;  
    position:absolute;
    top:30px;
    left:35px;
    z-index:8;
    font-size:0;
    line-height:0;
    width:0;
    height:0;
}

[data-tip]:after {
    display:none;
    content:attr(data-tip);
    position:absolute;
    top:35px;
    left:0px;
    padding:5px 8px;
    background:#1a1a1a;
    color:#fff;
    z-index:9;
    font-size: 0.75em;
    height:18px;
    line-height:18px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    white-space:nowrap;
    word-wrap:normal;
}

[data-tip]:hover:before,
[data-tip]:hover:after {
    display:block;
}

Fiddle : http://jsfiddle.net/ch0b7x6a/

Jquery - Format number to 2 decimal places

Here is the below example for the discount calculation and get the value with 2 decimals.

$("#discount").change(function() {
    var list = $("#list").val();
    var discount = $("#discount").val();
    var price = $("#price");
    var temp = discount * list;
    var temp1 = list - temp;
    var total = temp1.toFixed(2);

    price.val(total);
});