*{
margin: 0;
padding: 0;
list-style: none;
text-decoration: none;
}


.background{
width: 17000px;
height: 100%;

background: repeating-linear-gradient(45deg, #000 , #000 6px , #fff 60px ,  #fff 15px);
background-size: 30000% 30000%;
 animation: animate 6s ease infinite;
}

@keyframes animate{

  0%
  {background-position: 47% 0%;
  }
  50%
  {background-position: 54% 100%;
  }
  100%
  {background-position: 47% 0%;
  }
}