#firstpage{
    width:100%;
    height:100%;
    background-image:url('/tmp/files/images/first page.jpg');
    background-repeat:no-repeat;
    background-position:center;
    min-height:955px;
    position:relative;
}
.logtip {
    width:100%;
    height:100%;
    background-color:rgba(0,0,0,0.5);
    position:relative;
    min-height: 955px;
}
.logtip2{
    width:407px;
    height:461px;
    border:10px solid #ffffff;
    position: absolute;
    margin:auto;
    top:0px;
    bottom:0px;
    left:0px;
    right:0px;
}