body:before {
    filter: blur(4px);
    content: "";
    position: absolute;
    height: 100%; 
    width: 100%;
    background: url(img/thimo-pedersen-dip9IIwUK6w-unsplash.jpg);
    background-size: cover;
    z-index: -1;
  }

.transpa{
    background-color: rgba(255, 255, 255, 0.3);
    font-family: sans-serif;
    text-align: center;
    line-height: 1;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    max-width: 50%;
    max-height: 50%;
    padding: 20px 40px;
}
.container{
    z-index:99999;
}