.container {
    position: relative;
    overflow: auto;
}

#textcontainer {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 10;
    overflow: hidden;
}

.floating-div {
    position: absolute;
    color: rgb(0,0,0);
    text-align: center;
}

.navbtn {
    z-index: 15;
}