body{ background-image: url("https://64.media.tumblr.com/9fb6357d2baa7beb745a65f9feb79296/ae39db1dc298bd9b-36/s1280x1920/7b67ffe84d9158c00ecadb3429f4510c2ad8cc86.gifv");
        background-attachment: fixed;
        background-repeat: repeat;
        overflow: hidden;
}
.box{
border: black solid 2px;
}