.glass {
  padding: 15px;
  box-shadow: 0 0 1rem 0 rgba(0, 0, 0, .2);
  border-radius: 5px;
  background-color: rgba(255, 255, 255, .15);
  backdrop-filter: blur(5px);
}

.glass2 {
  box-shadow: 0 0 1rem 0 rgba(0, 0, 0, .2);
  border-radius: 5px;
  position: relative;
  z-index: 1;
  padding: 15px;
  background: inherit;
  overflow: hidden;
}

.glass2:before {
  content: "";
  position: absolute;
  background: inherit;
  z-index: -1;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  box-shadow: inset 0 0 2000px rgba(255, 255, 255, .5);
  filter: blur(10px);
  margin: -20px;
}