.fadewdrap {
content:'';
position:fixed;
height:100vh;
width:100vw;
top:0;
left:0;
background: rgba(50,50,50,.7);
}


.sinfofade {
padding:1rem;
position:absolute;
top:50%;
left:50%;
transform: translate(-50%, -50%);
background:#fff;
z-index:999;
}