.block {
padding: 30px;
width: 35%;
background: rgba(255, 255, 255, 0.13);
backdrop-filter: blur(47.5px);
border: 1px solid transparent;
border-image: linear-gradient(90deg, #C7C7C7, #717171);
border-image-slice: 1;
border-radius: 21px;
}