body {
    margin: 0;
    padding: 0;
}

.display {
    display: block;
    position: fixed;
    padding: 5px;
    background-color: #888;
    top: 0px;
    left: 0px;
}
.display input {
    text-align: center;
    float: left;
    width: 30px;    
    margin-left: 2px;
}
.display .btn{
    cursor: pointer;
}
.scrollToTop {
    display: none;
    position: fixed;
    width: 88px;
    height: 12px;
    line-height: 12px;
    padding: 5px;
    background-color: #eee;
    top: 50px;
    left: 10px;
    text-align: center;
    opacity:0.6;
    cursor: pointer; 
    border: 7px solid #888;
}
.scrollToTop:hover{    
    opacity:1;
}
img {
    margin: 0;
    padding: 0;
    display: block;
    position: absolute;
    width: 100%;
    top: 0px;
}