.T_iframe   
{   
    position: absolute;/*绝对定位保证iframe不会占用流布局空间*/   
    width: 100%;    /*100%保证可以覆盖整个div*/   
    height: 100%;   
    z-index:-1; /*-1保证iframe显示在div下方*/  
    filter: alpha(opacity=0);
} 
.boxy-wrapper
{
    position: absolute;
}
 .
.boxy-wrapper.fixed
{
    position: fixed;
}

/* Modal */

.boxy-modal-blackout
{
    position: absolute;
    background-color: black;
    left: 0;
    top: 0;
}

/* Border */

.boxy-wrapper
{
    empty-cells: show;
}
.boxy-wrapper .top-left, .boxy-wrapper .top-right, .boxy-wrapper .bottom-right, .boxy-wrapper .bottom-left
{
    width: 10px;
    height: 10px;
    padding: 0;
}

.boxy-wrapper .top-left
{
    background: url( '/NewShowStand/images/boxy-nw.png' );
    filter: alpha(opacity=40);--针对IE8糟糕的PNG透明
}
.boxy-wrapper .top-right
{
    background: url( '/NewShowStand/images/boxy-ne.png' );
    filter: alpha(opacity=40);
}
.boxy-wrapper .bottom-right
{
    background: url( '/NewShowStand/images/boxy-se.png' );
    filter: alpha(opacity=40);
}
.boxy-wrapper .bottom-left
{
    background: url( '/NewShowStand/images/boxy-sw.png' );
    filter: alpha(opacity=40);
}

/* IE6+7 hacks for the border. IE7 should support this natively but fails in conjuction with modal blackout bg. */
/* NB: these must be absolute paths or URLs to your images */
.boxy-wrapper .top-left
{ #background:none;#filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='/NewShowStand/images/boxy-nw.png');}
.boxy-wrapper .top-right
{ #background:none;#filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='/NewShowStand/images/boxy-ne.png');}
.boxy-wrapper .bottom-right
{ #background:none;#filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='/NewShowStand/images/boxy-se.png');}
.boxy-wrapper .bottom-left
{ #background:none;#filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='/NewShowStand/images/boxy-sw.png');}

.boxy-wrapper .top, .boxy-wrapper .bottom
{
    height: 10px;
    background-color: #436992;
    opacity: 0.6;
    filter: alpha(opacity=60);
    padding: 0;
}

.boxy-wrapper .left, .boxy-wrapper .right
{
    width: 10px;
    background-color: #436992;
    opacity: 0.6;
    filter: alpha(opacity=60);
    padding: 0;
}

/* Title bar */

.boxy-wrapper .title-bar
{
    background-color: #062C56;
    padding: 6px;
    position: relative;
}
.boxy-wrapper .
.title-bar.dragging
{
    cursor: move;
}
.boxy-wrapper .title-bar h2
{
    font-size: 12px;
    color: white;
    line-height: 1;
    margin: 0;
    padding: 0;
    font-weight: normal;
}
.boxy-wrapper .title-bar .close
{
    color: white;
    position: absolute;
    top: 6px;
    right: 6px;
    font-size: 12px;
    line-height: 1;
}

/* Content Region */

.boxy-inner
{
    background-color: white;
    padding: 0;
}
.boxy-innerex
{
    padding: 0;
}
.boxy-content
{
    padding: 15px;
}

/* Question Boxes */

.boxy-wrapper .question
{
    width: 350px;
    min-height: 80px;
    font-size:12px;
}
.boxy-wrapper .answers
{
    text-align: right;
}