body{
background-image: url('/images/daydeskbg.png');
background-size: 1200px 900px;
}

#allall {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}
#all {
    border: none;
    width: 650px;
    display: flex;
    flex-wrap: wrap;
    padding: 5px;
    margin-bottom: 5px;
}
iframe {
    border: none;
}
#box1 {
    border: none;
    width: 300px;
    height: 470px;
    margin-top:70px;
    margin-right:35px;
}
#box2 {
    border: none;
    width: 300px;
    height: 470px;
    margin-top:70px;

}

#book {
    background-image: url('/images/bookday.png');
    border: none;
    width: 1100px;
    height: 578px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    margin-left:30px;
}

#back {
   background-image: url('/images/dayback.png');
   height: 16px;
   width: 58px;
   border: none;
   margin-right:10px;
}

#back:hover {
   background-image: url('images/highlightback.png');
   
}

#goback {
   height: 16px;
   width: 58px;
   border: none;
   margin-top: 70px;
}