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* { margin:0; padding:0; } 

html, body, #wrap { height: 100%; }

body > #wrap {height: auto; min-height: 100%;}

#main { padding-bottom: 150px; }  /* must be same height as the footer */

#footer {
        position: relative;
        margin-top: -150px; /* negative value of footer height */
        height: 150px;
        clear:both;} 

/* CLEAR FIX*/
.clearfix:after {content: ".";
        display: block;
        height: 0;
        clear: both;
        visibility: hidden;}
.clearfix {display: inline-block;}
/* Hides from IE-mac \\*/
* html .clearfix { height: 1%;}
.clearfix {display: block;}
/* End hide from IE-mac */

<div id="wrap">

        <div id="main" class="clearfix">

        </div>

</div>

<div id="footer">

</div>