* {
    padding: 0;
    margin: 0;

}

#container {
    position: absolute;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: url(bg2.jpg);
    background-attachment: fixed;
    background-size: cover;

}

.box {
    position: absolute;
    background: url(bg2.jpg);
    background-attachment: fixed;
    background-size: cover;
}