body, html {
    padding: 0;
    margin: 0;
    height: 100%;
    overflow: hidden;
}
::-webkit-scrollbar {
    display: none;
}
/*
#defaultCanvas0 {
    position: absolute;
    top: 5%;
    left: 7.5%;
    /* visibility: hidden; */
/*}

#defaultCanvas1 {
    position: absolute;
    top: 10%;
    left: 7.5%;
    /* visibility: hidden; */
/*}

#defaultCanvas2 {
    position: absolute;
    top: 40%;
    left: 7.5%;
    /* visibility: hidden; */
/*}

#defaultCanvas3 {
    position: absolute;
    top: 70%;
    left: 7.5%;
    /* visibility: hidden; */
/*}