body {
 font-family: sans-serif;
 font-weight: 300;
 background: url(https://raw.githubusercontent.com/lucasromerodb/liquid-glass-effect-macos/refs/heads/main/assets/flowers.jpg) center center;
 background-size: 400px;
 height: 100vh;
 -webkit-animation: moveBackground 60s linear infinite;
         animation: moveBackground 60s linear infinite;
 display: -webkit-box;
 display: -ms-flexbox;
 display: flex;
 -webkit-box-align: center;
     -ms-flex-align: center;
         align-items: center;
 -webkit-box-pack: center;
     -ms-flex-pack: center;
         justify-content: center;
 margin:0;
 padding:0;
}

.glassContainer {
  position: fixed;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 300px;
  height: 200px;
  border-radius: 30px;
}

.glassContainer::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    border-radius: 30px;
    -webkit-box-shadow: inset 2px 2px 0px -2px rgba(255, 255, 255, 0.7), inset 0 0 3px 1px rgba(255, 255, 255, 0.7);
            box-shadow: inset 2px 2px 0px -2px rgba(255, 255, 255, 0.7), inset 0 0 3px 1px rgba(255, 255, 255, 0.7);
}

.glassContainer::after {
    content: '';
    position: absolute;
    z-index: -1;
    inset: 0;
    border-radius: 30px;
    -webkit-backdrop-filter: blur(0px);
            backdrop-filter: blur(0px);
    -webkit-filter: url(#container-glass);
            filter: url(#container-glass);
    overflow: hidden;
    isolation: isolate;
}

.glassBtn {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  cursor: pointer;
  width: 70px;
  height: 70px;
  padding: 15px;
  background: transparent;
  border-radius: 9999px;
  outline: none;
  border: none;
  z-index: 0;
}

.glassBtn::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    border-radius: 9999px;
    -webkit-box-shadow: inset 2px 2px 0px -2px rgba(255, 255, 255, 0.7), inset 0 0 3px 1px rgba(255, 255, 255, 0.7);
            box-shadow: inset 2px 2px 0px -2px rgba(255, 255, 255, 0.7), inset 0 0 3px 1px rgba(255, 255, 255, 0.7);
    background-color: rgb(255 255 255 / 10%);
}

.glassBtn::after {
    content: '';
    position: absolute;
    z-index: -1;
    inset: 0;
    border-radius: 9999px;
    -webkit-backdrop-filter: blur(0px);
            backdrop-filter: blur(0px);
    -webkit-filter: url(#btn-glass);
            filter: url(#btn-glass);
    overflow: hidden;
    isolation: isolate;
}

.glassBtn svg {
  width: 100%;
  height: 100%;
  stroke: #fff;
}

@-webkit-keyframes moveBackground {
  from {
    background-position: 0% 0%;
  }
  to {
    background-position: 0% -1000%;
  }
}

@keyframes moveBackground {
  from {
    background-position: 0% 0%;
  }
  to {
    background-position: 0% -1000%;
  }
}