:root {
  --marquee-width: 100vw;
  --marquee-height: 10vh;
  /* --marquee-elements: 12; */ /* defined with JavaScript */
  --marquee-elements-displayed: 12;
  --marquee-element-width: calc(var(--marquee-width) / var(--marquee-elements-displayed));
  --marquee-animation-duration: calc(var(--marquee-elements) * 3s);
}

.marquee {
  width: var(--marquee-width);
  height: var(--marquee-height);
  background-color: transparent;
  color: #eee;
  overflow: hidden;
  position: relative;
  /*
  border-top: 2px solid green;
  border-bottom:  2px solid green;
  */
}
.marquee:before, .marquee:after {
  position: absolute;
  top: 0;
  width: 1.8rem;
  height: 100%;
  content: "";
  z-index: 1;
}
.marquee:before {
  left: 0;
  background: linear-gradient(to right, #111 0%, transparent 100%);
}
.marquee:after {
  right: 0;
  background: linear-gradient(to left, #111 0%, transparent 100%);
}
.marquee-content {
  list-style: none;
  height: 100%;
  display: flex;
  gap: 20px;
  animation: scrolling var(--marquee-animation-duration) linear infinite;
}

.marquee-content li {
 border: 1px solid #ccc;
border-radius: 10px;    
box-shadow: 2px 2px 6px 0px  rgba(0,0,0,0.5);

}

.marquee-content li img {
  height: 100%;
  width: 100%;
 object-fit: fill;
  border-radius: 10px;
}

 .marquee-content:hover {
  animation-play-state: paused;
} 

@keyframes scrolling {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-1 * var(--marquee-element-width) * var(--marquee-elements))); }
}
.marquee-content li {
  display: flex;
  justify-content: center;
  align-items: center;
  /* text-align: center; */
  flex-shrink: 0;
  width: var(--marquee-element-width);
  max-height: 100%;
  font-size: calc(var(--marquee-height)*3/4); /* 5rem; */
  white-space: nowrap;
}



@media (max-width: 600px) {
  html { font-size: 12px; }
  :root {
    --marquee-width: 100vw;
    --marquee-height: 10vh;
    --marquee-elements-displayed: 4;
  }
  .marquee:before, .marquee:after { width: 5rem; }
}