body{
    padding: 0;
    margin: 0;
    /* height: 100vh; */
    box-sizing: border-box;
}

.Wrapper{
    margin: auto;
    width: 500px;
    height: 400px;
    overflow-y: scroll;
}
.WrapperDemo{
    width: 100%;
    height: 100vh;
}
.Wrapper>div{
    margin: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
    font-size: 5em;
    color: white;
    
}
.WrapperDemo>div{
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 5em;
    color: white;
}
.Parallax,
[class^=BgImg]{
    background-position: 20% 80%;  
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;

}
.ParallaxDemo{
    background-position: center center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    object-fit: cover;
}

.BgImg1{
    background-image: url('../../images/blog/202007/3\ \(7\).JPG');
}
.BgImg2{
    background-image: url('../../images/blog/202007/7\ \(7\).JPG');
}
.BgImg3{
    background-image: url('../../images/blog/202007/8\ \(1\).JPG');
}
.BgImg4{
    background-image: url('../../images/blog/202007/8\ \(10\).JPG');
}
.BgImg5{
    background-image: url('../../images/blog/202007/7\ \(13\).JPG');
}
.BgImg1Demo{
    background-image: url('../../images/blog/202007/3\ \(7\).JPG');
}
.BgImg2Demo{
    background-image: url('../../images/blog/202007/7\ \(7\).JPG');
}
.BgImg3Demo{
    background-image: url('../../images/blog/202007/8\ \(1\).JPG');
}
.BgImg4Demo{
    background-image: url('../../images/blog/202007/8\ \(10\).JPG');
}
.BgImg5Demo{
    background-image: url('../../images/blog/202007/7\ \(13\).JPG');
}

@media (max-width:480px){
    .BgImg1Demo, .BgImg2Demo, .BgImg3Demo, .BgImg4Demo, .BgImg5Demo{
        background-image: none;
    }
    .BgImg1Demo::before{
        content:"";
        display:block;
        position:fixed;
        top:0;
        left:0;
        z-index:-1;
        width:100%;
        height:100vh;
        background: url('../../images/blog/202007/3\ \(7\).JPG') center/cover no-repeat;
    }
    .BgImg2Demo::before{
        content:"";
        display:block;
        position:fixed;
        top:0;
        left:0;
        z-index:-1;
        width:100%;
        height:100vh;
        background: url('../../images/blog/202007/7\ \(7\).JPG') center/cover no-repeat;
    }
    .BgImg3Demo::before{
        content:"";
        display:block;
        position:fixed;
        top:0;
        left:0;
        z-index:-1;
        width:100%;
        height:100vh;
        background: url('../../images/blog/202007/8\ \(1\).JPG') center/cover no-repeat;
    }
    .BgImg4Demo::before{
        content:"";
        display:block;
        position:fixed;
        top:0;
        left:0;
        z-index:-1;
        width:100%;
        height:100vh;
        background: url('../../images/blog/202007/8\ \(10\).JPG') center/cover no-repeat;
    }
    .BgImg5Demo::before{
        content:"";
        display:block;
        position:fixed;
        top:0;
        left:0;
        z-index:-1;
        width:100%;
        height:100vh;
        background: url('../../images/blog/202007/7\ \(13\).JPG') center/cover no-repeat;
    }
    .WrapperDemo>div{
        font-size: 3em;
    }
}