<div class="container">
  <div>
    <img src="https://i.pravatar.cc/150?img=1" alt="" />
    <h3>Jane Doe</h3>
    <p>Lorem ipsum dolor sit amet, consec tetur adipi scing elit. </p>
  </div>
  <div>
    <img src="https://i.pravatar.cc/150?img=2" alt="" />
    <h3>John Doe</h3>
    <p>Lorem ipsum dolor sit amet, consec tetur adipi scing elit. </p>
  </div>
  <div>
    <img src="https://i.pravatar.cc/150?img=3" alt="" />
    <h3>John Doe</h3>
    <p>Lorem ipsum dolor sit amet, consec tetur adipi scing elit. </p>
  </div>
  <div>
    <img src="https://i.pravatar.cc/150?img=4" alt="" />
    <h3>John Doe</h3>
    <p>Lorem ipsum dolor sit amet, consec tetur adipi scing elit. </p>
  </div>
  <div>
    <img src="https://i.pravatar.cc/150?img=5" alt="" />
    <h3>Jane Doe</h3>
    <p>Lorem ipsum dolor sit amet, consec tetur adipi scing elit. </p>
  </div>
  <div>
    <img src="https://i.pravatar.cc/150?img=6" alt="" />
    <h3>John Doe</h3>
    <p>Lorem ipsum dolor sit amet, consec tetur adipi scing elit. </p>
  </div>
</div>  

$n:6; /* number of elements */

.container  {
  --d: 15s; /* duration */
  
  display: grid;
  grid-template-columns: repeat(3,300px); /* number of visible elements + width */
  overflow: hidden;
  -webkit-mask: linear-gradient(90deg,#0000,#000 5% 95%,#0000);
}
.container > div {
  grid-area: 1/1;
  display: grid;
  grid-template-columns: 120px 1fr;
  align-content: center;
  gap: 10px;
  background: #fff padding-box;
  border-inline: 10px solid #0000;
  animation: r var(--d) linear infinite;
}
.container > div img {
  width: 100%;
  grid-row: span 2;
}
.container > div * {
  margin: 0
}
.container > div h3 {
  margin-top: auto;
}
@for $i from 2 to ($n + 1) {
  .container > div:nth-child(#{$i}) {animation-delay: calc(#{(1 - $i)/$n}*var(--d))}
}
@keyframes r {
  #{100/$n}% {transform: translate(-100%)}
  #{100/$n + .01}% {transform: translate(($n - 1)*100%)}
}


body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-content: center;
  font-family: system-ui;
  background: #E08E79;
}