[рони]

<style>
  img {
   position: absolute;
   opacity: .5;
   left: 0;
   top: 0;
  }
  .a{
  clip: rect(0px, auto, auto, 168px);
   opacity: 1;
  }

  </style>
  text text text text text text text text text text text text text text text
<br>text text text text text text text text text text text text text text text
<br>text text text text text text text text text text text text text text text
  <img src="https://javascript.ru/forum/images/ca_serenity/misc/logo.gif" alt="">
  <img src="https://javascript.ru/forum/images/ca_serenity/misc/logo.gif" alt="" class="a">