html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background: #dfe5ec ;
    overflow: hidden;
	text-shadow: 0 0 1px rgba(158,157,157,0.2);
}
body {
    color: #333333;
    font-family: Tahoma,'PF DinDisplay Medium','Trebuchet MS',Arial;
    font-size: 66%;
    line-height: 14px;
    margin: 0;
    padding: 0;
    overflow: hidden;
}
.top_panel {
    position: relative;
    width: 100%;
    margin: 0 auto;
    font-size: 11px;
    height: 48px;
    background: #fff;
}
.wrap_body {
    position: absolute;
    width: 100%;
    overflow-y: scroll;
    height: auto;
    left: 0;
    bottom: 0;
    top: 49px;
}