div.marquee3k {
  will-change: transform;
}

div.marquee-bandeau_deroulant {
  display: flex;
  flex-flow: nowrap row;
  align-items: center;
}
div.marquee-bandeau_deroulant span {
  display: inline-block;
  margin: 0 50px;
}
div.marquee-bandeau_deroulant svg {
  transform: translateY(-50%);
}