css

.liquidGlass-wrapper {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  height: 120px;
  border-radius: calc(1px * infinity);
  overflow: hidden;
  box-shadow: 0 6px 6px rgba(0, 0, 0, 0.2), 0 0 20px rgba(0, 0, 0, 0.1);
}

.liquidGlass-effect {
  position: absolute;
  z-index: 0;
  inset: 0;
  backdrop-filter: url(#glass-distortion) blur(8px);
  overflow: hidden;
  border-radius: inherit;
}

.liquidGlass-tint {
  z-index: 1;
  position: absolute;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.25);
  border-radius: inherit;
}

.liquidGlass-shine {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  box-shadow: inset 2px 2px 1px 0 rgba(255, 255, 255, 0.5), inset -1px -1px 1px 1px rgba(255, 255, 255, 0.5);
  border-radius: inherit;
}

.wrapper {
  background-image: url("../../images/1.jpg");
  background-size: cover;
  height: 200vh;
}

html

<div class="wrapper">
  <div class="liquidGlass-wrapper">
    <div class="liquidGlass-effect"></div>
    <div class="liquidGlass-tint"></div>
    <div class="liquidGlass-shine"></div>
  </div>

  <svg style="display: none">
    <filter id="glass-distortion" x="0%" y="0%" width="100%" height="100%" filterUnits="objectBoundingBox">
      <feTurbulence type="fractalNoise" baseFrequency="0.01 0.01" numOctaves="1" seed="5" result="turbulence" />
      <!-- Seeds: 14, 17,  -->

      <feComponentTransfer in="turbulence" result="mapped">
        <feFuncR type="gamma" amplitude="1" exponent="10" offset="0.5" />
        <feFuncG type="gamma" amplitude="0" exponent="1" offset="0" />
        <feFuncB type="gamma" amplitude="0" exponent="1" offset="0.5" />
      </feComponentTransfer>

      <feGaussianBlur in="turbulence" stdDeviation="16" result="softMap" />

      <feSpecularLighting in="softMap" surfaceScale="5" specularConstant="1" specularExponent="100" lighting-color="white" result="specLight">
        <fePointLight x="-200" y="-200" z="300" />
      </feSpecularLighting>

      <feComposite in="specLight" operator="arithmetic" k1="0" k2="1" k3="1" k4="0" result="litImage" />

      <feDisplacementMap in="SourceGraphic" in2="softMap" scale="150" xChannelSelector="R" yChannelSelector="G" />
    </filter>
  </svg>
</div>