.back{
	width	    :760px;
	height	    :560px;
        position    :relative;

}

.menu{
        text-align  :left;
        width:760px;
	margin:0px;
	padding:0px;
}

.iframe{
        position    :absolute;
        top         :120px;
        left        :35px;
}

.thumb{
        background-image : url(img/thumb.jpg);
        position    :absolute;
        top         :120px;
        left        :535px;
}

.if{
	top : 0px;
	left : 0px;
	position : absolute;
}

.comment{
	width:250px;
        text-align  :center;
        font-size:12px;
        position    :absolute;
        top         :389px;
        left        :115px;
}