body{
    padding: 0;
    margin: 0;
    border: 0;
    background-color: #79E4FF;
    width:100%;
    height: 100%;
    text-align: center;
}
#canvas{
    /*border: 2px solid blue;*/
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.txt {
    color:#7CB8C9;
    line-height: 10px;
    font-size: 24px;
}

#tips {

   padding-top:400px
}

#inputDiv {
    position: absolute;
    z-index: 9999;
}