.imagebox {
  display:flex;
  position:relative;
  align-items:center;
  justify-content:flex-start;
  flex-wrap:wrap;
  gap:0;
  height:300px;
  width:190px;
  margin:0;
  top:30px;
  background:rgba(255, 255, 255, 0.4);
  padding-left:3px;
  overflow: hidden; 
}
.imagebox img{
  padding:0;
  margin:0;
  width:90px;
  height:90px;
  display:inline-block; 
}
.scrolltrack {           
  animation: box-scroll-up 20s linear infinite; 
  animation-play-state: running;  
  display:inline-block; 
}
.scrolltrack:hover {
  animation-play-state: paused;  
}
@keyframes box-scroll-up {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-50%); } 
}