Blurred glass SCSS

glass.scss

html {
  background-image: url("http://placekitten.com/1920/1120");
  background-position: center bottom;
  background-attachment: fixed;
  background-size: cover;
  height: 100%;
  font-size: 100%;
}

body {
  margin: 0;
}

.glass {
  position: relative;
  padding: 10px 0;
  border-bottom: 1px solid;
  border-bottom-color: #ccc;
  border-bottom-color: rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  height: 180px;
}

.glass::before {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%3F%3E%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%20version%3D%221.1%22%20width%3D%221920%22%20height%3D%221120%22%3E%3Cdefs%3E%3Cfilter%20id%3D%22blur%22%3E%3CfeGaussianBlur%20stdDeviation%3D%225%22%2F%3E%3C%2Ffilter%3E%3C%2Fdefs%3E%3Cimage%20xlink%3Ahref%3D%22http%3A%2F%2Fplacekitten.com%2F1920%2F1120%22%20width%3D%221920%22%20height%3D%221120%22%20filter%3D%22url%28%23blur%29%22%2F%3E%3C%2Fsvg%3E"), url("http://placekitten.com/1920/1120");
  background-position: center bottom;
  background-attachment: fixed;
  background-size: cover;
  content: "";
  filter: url("data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%3F%3E%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20version%3D%221.1%22%3E%3Cdefs%3E%3Cfilter%20id%3D%22blur%22%3E%3CfeGaussianBlur%20stdDeviation%3D%225%22%2F%3E%3C%2Ffilter%3E%3C%2Fdefs%3E%3C%2Fsvg%3E#blur");
  -webkit-filter: blur(25px);
  filter: blur(25px);
  overflow: hidden;
  
}

.glass .legacy-ie-fix {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #fff;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(opacity=20)";
}


@media only screen {
  .glass h1 {
    -ms-filter: "none";
  }
}