.biu-text {
  position: absolute;
  left: 100%;
  white-space: nowrap;
  color: red;
  font-size: 200%;
}

.biu-container {
  position: fixed;
  z-index: 100;    
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.go {
  animation-name: go;
  animation-duration: 10s;
  animation-fill-mode: forwards;
  animation-timing-function: linear;
}

@keyframes go {
  0% {
      transform: translateX(0);
  }
  100% {
      transform: translateX(calc(-100% - 100vw));        
  }
}