<div>
  <img src="https://picsum.photos/500/500?image=503" alt="" />
  <img src="https://picsum.photos/500/500?image=503" alt="" />
  <p>ស​ណ្តែ​ក​ត្រជាក់</p>
</div>

<svg>
  <filter id="transmissionerror">
    <feColorMatrix type="saturate" values="0" in="SourceGraphic" result="colormatrix1" />
    <feColorMatrix type="matrix" values="0.95 0 0 0 0  0 0 0 0 0  0 0 0.4 0 0  0 0 0 1 0" in="colormatrix1" result="colormatrix2" />
    <feTurbulence type="turbulence" baseFrequency="0.002 0.008" numOctaves="2" seed="5" stitchTiles="noStitch" result="turbulence">
      <animate attributeName="baseFrequency" from="0.002 0.008" to="0.002 0.01" dur="3500ms" repeatCount="indefinite" />
      <animate attributeName="numOctaves" from="1" to="10" dur="750ms" repeatCount="indefinite" />
      <animate attributeName="seed" from="1" to="100" dur="10s" repeatCount="indefinite" />
    </feTurbulence>
    <feColorMatrix type="saturate" values="30" in="turbulence" result="colormatrix3" />
    <feColorMatrix type="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 100 -15" in="colormatrix3" result="colormatrix4" />
    <feDisplacementMap in="colormatrix2" in2="colomatrix4" scale="15" xChannelSelector="R" yChannelSelector="A" result="displacementMap" />
  </filter>
</svg>
body {
  background: linear-gradient(135deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0) 33%, rgba(255,255,255,0.05) 33%, rgba(255,255,255,0.0) 66%, rgba(255,255,255,0) 66%, rgba(255,255,255,0) 100%), black;
  min-height: 100vh;
}

div {
  // width: calc(100% - 2rem);
  // max-width: 500px;
  width: 500px;
  max-width: 90vmin;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 1rem solid white;
  overflow: hidden;
}

div:before {
  content: '';
  display: block;
  width: 100%;
  padding-top: 100%;
}

p {
  position: absolute;
  left: 0;
  bottom: 1rem;
  width: 100%;
  margin: 0;
  line-height: 1;
  text-align: center;
  font: 4.5rem 'Bayon',sans-serif;
  color: white;
  text-shadow: 0.1em 0.1em 0.5em black;
  
  @media (max-width: 490px) {
    font-size: 4rem;
  }
  @media (max-height: 490px) {
    font-size: 4rem;
  }
  @media (max-width: 450px) {
    font-size: 3rem;
  }
  @media (max-height: 450px) {
    font-size: 3rem;
  }
  @media (max-width: 350px) {
    font-size: 2.75rem;
  }
  @media (max-height: 350px) {
    font-size: 2.75rem;
  }
}

img {
  position: absolute;
  left: -1rem;
  top: -1rem;
  width: calc(100% + 2rem);
}

img:nth-child(1) {
  filter: url(#transmissionerror);
}

img:nth-child(2) {
  filter: grayscale(100%) contrast(1000%);
  mix-blend-mode: multiply;
  // display: none;
}

svg {
  position: absolute;
}
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External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/10up-sanitize.css/8.0.0/sanitize.min.css

External JavaScript

This Pen doesn't use any external JavaScript resources.