.divider-section {
    height: 8px;
    background-repeat-x: repeat;
    background-repeat-y: no-repeat;
  {#animation: animationdivider 10s infinite;#}
    width: 50%;
    margin: 0 auto;
}

@keyframes animationdivider {
  0%   {width:100%;opacity:1;}
  50%   {width:50%;opacity:0.5;}
  100%   {width:100%;opacity:1;}
}