html, body {
    width: 100%;
    height: 100%;
    margin: 0px;
    border: 0;
    overflow: hidden; /*  Disable scrollbars */
    display: block;  /* No floating content on sides */
    --webkit-user-select: none;
    user-select: none;
    touch-action: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    -moz-user-select: none;
    -khtml-user-select: none;
    user-select: none;
    -ms-user-select: none;
    outline: none;
    
}
.add-button {
    position: absolute;
    background-color: transparent;
    color: white;
    top: 0px;
    left: 1px;
    height: 7vh;
}