backdrop-filter: blur

by Roberto Apasajja

HTML

<div class="box">
  sasasadsaas
</div>

CSS

body {
  background: url(https://www.bing.com/th?id=OHR.BavariaFossil_ROW7020921185_1920x1080.jpg&rf=LaDigue_1920x1080.jpg);
  background-size: cover;
  padding: 0;
  margin: 0;
}

.box {
  margin: auto;
  margin-top: 100px;
  padding: 20px;
  width: 300px;
  height: 300px;
  border-radius: 1em;
  backdrop-filter: blur(15px);
}