style.css

body {
  margin: 0;
  padding: 0;

    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #000;
    overflow: hidden;
  }
  center{
    margin-top: 200px;
  }
  p {
    position: relative;
    font-family: sans-serif;
    text-transform: uppercase;
    font-size: 2em;
    letter-spacing: 4px;
    overflow: hidden;
    background: linear-gradient(90deg, #000, #fff, #000);
    background-repeat: no-repeat;
    background-size: 80%;
    animation: animate 3s linear infinite;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: rgba(255, 255, 255, 0);
  }
  button{
    border:none;
    outline: none;
    border-radius: 50px;
    background-color: rgba(69, 69, 69, 0.099);
    color: rgb(153, 153, 153);
    cursor: pointer;
    width:200px;
    height: 40px;
  }
  @keyframes animate {
    0% {
      background-position: -500%;
    }
    100% {
      background-position: 500%;
    }
  }