body {
    margin: 0px;
    padding: 0px;
}

.scroll-page {
    width: 100%;
}

.scroll-page.relative {
    width: 100%;
    overflow-y:scroll;
    height: 100vh;
}

.scroll-page .page-item {
    display: block;
    /* width:100%;
    height:100%; */
    width: calc(100% - 40px);
    height: calc(100vh - 40px);
    padding:10px;
    margin:10px;
    border:1px solid black;
}

.scroll-page.relative .page-item {
    height: calc(100% - 40px);
    position:relative;
}