HTML :

<section class="background_container">
  <div class='background_animation'>
  </div>
  <div class='text'>
      <figure>
        <svg id="Calque_1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 301.1 185.2">
          <style>.st0{fill:#1e1e1c}</style>
      </svg>
  </figure>
</div>
</section>

---

CSS :

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">

.background_container {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.background_animation {
  -webkit-animation: 40s linear infinite background_animation;
          animation: 40s linear infinite background_animation;
  width: calc(100% + 511px);
  height: calc(100% + 849px);
  background-image: url("img/pat1.jpg");
  -webkit-transform: translate3d(-511px, -849px, 0);
          transform: translate3d(-511px, -849px, 0);
}
@-webkit-keyframes background_animation {
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}
@keyframes background_animation {
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}
.text {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  padding: 10vmin;


}