.simple-bar-chart{
  --line-count: 10;
  --line-color: currentcolor;
  --line-opacity: 0.25;
  --item-gap: 2%;
  --item-default-color: #060606;
  
  height: 15rem;
  display: grid;
  grid-auto-flow: column;
  gap: var(--item-gap);
  align-items: end;
  padding-inline: var(--item-gap);
  --padding-block: 1.5rem; /*space for labels*/
  padding-block: var(--padding-block);
  position: relative;
  isolation: isolate;
}

.simple-bar-chart::after{
  content: "";
  position: absolute;
  inset: var(--padding-block) 0;
  z-index: -1;
  --line-width: 1px;
  --line-spacing: calc(100% / var(--line-count));
  background-image: repeating-linear-gradient(to top, transparent 0 calc(var(--line-spacing) - var(--line-width)), var(--line-color) 0 var(--line-spacing));
  box-shadow: 0 var(--line-width) 0 var(--line-color);
  opacity: var(--line-opacity);
}
.simple-bar-chart > .item{
  height: calc(1% * var(--val));
  background-color: var(--clr, var(--item-default-color));
  position: relative;
  animation: item-height 1s ease forwards
}
@keyframes item-height { from { height: 0 } }

.simple-bar-chart > .item > * { position: absolute; text-align: center }
.simple-bar-chart > .item > .label { inset: 100% 0 auto 0 }
.simple-bar-chart > .item > .value { inset: auto 0 100% 0 }