{
background-image: url('https://i7.glitter-graphics.org/pub/676/676657yhxq5o5bjd.gif');
background-attachment: fixed;
background-repeat: repeat;
overflow: hidden;
}

.whitecloudybox {
height: 140px;
width: 100%;
border: 10px solid transparent;
box-sizing: border-box;
border-image: url(https://i.postimg.cc/QM9dMFhq/cloud.png) 50 round;
}

.whitecloudyfull { 
width:100%;
height:100%;
overflow-y:auto;
background:#fff;
color:black;
}