Style sheet in Jquery

Style sheet in Jquery

I work in Jquery-ui-1.7.2.custom.min.js I am looking for a style sheet and I am not sure how to link my page up to that style sheet.  Where can I find a style sheet, downloaded smoothess but it do not give me the correct file

<html>

<head>
    <link href="css/smoothness/jquery-ui-1.7.2.custom.ccs" rel="stylesheet" />
   

   
   <script src="jquery-1.3.2.min.js" type="text/javascript"></script>
    <script src="jquery-ui-1.7.2.custom.min.js" type="text/javascript"></script>
    <script type="text/javascript">
    $(document).ready(function() {
        $('#tabs').tabs();
        $('#sortable').sortable({
            items: 'li'
        });
        $('.accordion').accordion({
            autoHeight: false,
            clearStyle: true,
            header: 'h3'
        });
    });
    </script>
            <style>
    body{
        font: 62.5% "Trebuchet MS", sans-serif;
        margin: 50px;
    }
    .demoHeaders {
        margin-top: 2em;
    }
    #dialog-link {
        padding: .4em 1em .4em 20px;
        text-decoration: none;
        position: relative;
    }
    #dialog-link span.ui-icon {
        margin: 0 5px 0 0;
        position: absolute;
        left: .2em;
        top: 50%;
        margin-top: -8px;
    }
    #icons {
        margin: 0;
        padding: 0;
    }
    #icons li {
        margin: 2px;
        position: relative;
        padding: 4px 0;
        cursor: pointer;
        float: left;
        list-style: none;
    }
    #icons span.ui-icon {
        float: left;
        margin: 0 4px;
    }
    .fakewindowcontain .ui-widget-overlay {
        position: absolute;
    }
    </style>
</head>
<body>
<div id='tabs'>
    <ul id='sortable'>
        <li><a href='#tab1'>Tab 1</a></li>
        <li><a href='#tab2'>Tab 2</a></li>
        <li><a href='#tab3'>Tab 3</a></li>
    </ul>
    <div id='tab1'>
        <div class='accordion'>
            <h3><a href='#'>Section1</a></h3>
            <div><p>section 1 content</p></div>
            <h3><a href='#'>Section2</a></h3>
            <div><p>section 2 content</p></div>
            <h3><a href='#'>Section3</a></h3>
            <div><p>section 3 content</p></div>
        </div>
    </div>
    <div id='tab2'>
        <div class='accordion'>
            <h3><a href='#'>Section4</a></h3>
            <div><p>section 4 content</p></div>
            <h3><a href='#'>Section5</a></h3>
            <div><p>section 5 content</p></div>
            <h3><a href='#'>Section6</a></h3>
            <div><p>section 6 content</p></div>
        </div>
    </div>
    <div id='tab3'>
        <div class='accordion'>
            <h3><a href='#'>Section7</a></h3>
            <div><p>section 7 content</p></div>
            <h3><a href='#'>Section8</a></h3>
            <div><p>section 8 content</p></div>
            <h3><a href='#'>Section9</a></h3>
            <div><p>section 9 content</p></div>
        </div>
    </div>
</div>
</body></html>