JSFiddle - React, Tailwind, and code Playground

HTML

<div
      class="widget"
      style="width: 300px; height: 500px; border: 1px solid blue"
    >
      <div class="main-wrapper">
        <div class="animationDiv">
          <a href="https://google.com" class="slot">
            <div class="left">
              <img
                src="https://via.placeholder.com/150"
                alt=""
              />
            </div>
            <div class="right">
              <div class="title">1 Some title text</div>
              <div class="text">
                Content text, content text, content text, content text, content
                text
              </div>
            </div>
          </a>
          <a href="https://google.com" class="slot">
            <div class="left">
              <img
                src="https://via.placeholder.com/150"
                alt=""
              />
            </div>
            <div class="right">
              <div class="title">2 Some title text</div>
              <div class="text">
                Content text, content text, content text, content text, content
                text
              </div>
            </div>
          </a>
          <a href="https://google.com" class="slot">
            <div class="left">
              <img
                src="https://via.placeholder.com/150"
                alt=""
              />
            </div>
            <div class="right">
              <div class="title">3 Some title text</div>
              <div class="text">
                Content text, content text, content text, content text, content
                text
              </div>
            </div>
          </a>
        </div>
      </div>
    </div>

CSS

.main-wrapper {
        height: calc(100% - 20px);
        width: calc(100% - 20px);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        padding: 10px;
        justify-content: flex-start;
        border: 1px solid lightgrey;
      }

      .main-wrapper a {
        text-decoration: none;
        color: black;
        font-family: Arial, Helvetica, sans-serif;
        border-bottom: 1px dotted lightgrey;
        padding: 10px 0;
        overflow: hidden;
        position: relative;
        box-sizing: border-box;
        display: block;
        height: 190px;
        animation: slider 15s linear infinite;
      }

      .main-wrapper a .right .title {
        font-weight: 600;
      }

      .main-wrapper img {
        height: 100px;
        padding: 5px;
        border: 1px solid lightgrey;
      }

      .main-wrapper .animationDiv {
        overflow: hidden;
        background: #ffffff;
        position: relative;
      }

      @keyframes slider {
        0% {
          top: 0;
        }
        100% {
          top: -570px;
        }
      }