Codly

html

<div class="drop-shadow">
<div class="glass"></div>
  <span>GLASS</span>
  </div>

css

@import url("https://fonts.googleapis.com/css?family=Rajdhani:300&display=swap");
body, html {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/1376484/jess-harding-lqT6NAmTaiY-unsplash.jpg");
  background-size: cover;
  background-position: center;
  font-family: 'Rajdhani', sans-serif;
}

*, *:before, *:after {
  box-sizing: border-box;
}

.glass {
  height: 100%;
  width: 100%;
  background-image: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/1376484/jess-harding-lqT6NAmTaiY-unsplash.jpg");
  background-size: cover;
  background-position: center;
  -webkit-clip-path: inset(10em);
          clip-path: inset(10em);
  -webkit-filter: blur(20px);
          filter: blur(20px);
  display: flex;
  justify-content: center;
  align-items: center;
}

.drop-shadow {
  height: 100%;
  width: 100%;
  -webkit-filter: drop-shadow(0px 20px 10px rgba(0, 0, 0, 0.3));
          filter: drop-shadow(0px 20px 10px rgba(0, 0, 0, 0.3));
  display: flex;
  justify-content: center;
  align-items: center;
}
.drop-shadow:before {
  display: block;
  content: "";
  position: absolute;
  top: 10em;
  height: calc(100% - 20em);
  width: calc(100% - 20em);
  border-top: 2px solid rgba(225, 225, 225, 0.2);
  border-left: 1px solid rgba(225, 225, 225, 0.1);
  border-right: 1px solid rgba(225, 225, 225, 0.3);
  z-index: 2;
}
.drop-shadow > span {
  position: absolute;
  z-index: 5;
  color: white;
  font-size: 4em;
  letter-spacing: 0.75em;
  padding-left: 0.375em;
}

@media (max-width: 980px) {
  .glass {
    -webkit-clip-path: inset(5em);
            clip-path: inset(5em);
  }

  .drop-shadow:before {
    top: 5em;
    width: calc(100% - 10em);
  }
  .drop-shadow > span {
    font-size: 4em;
  }
}
@media (max-width: 640px) {
  .drop-shadow > span {
    font-size: 2em;
  }
}