demo.css

.accordion {
  background-color: transparent;
}
.accordion > button {
  justify-content: flex-start;
}
.accordion > button > span:first-child {
  width: auto;
  margin-right: 4px;
}

.gr-group div {
  gap: 0px;
}

.tabs, .tabitem, .tab-nav, .tab-nav > .selected {
  border-width: 0px;
}

#about {
  padding: 20px 24px;
}

#gallery {
  background-color: var(--bg);
}
#gallery > div:nth-child(2) {
  overflow-y: hidden;
}
.dark #gallery {
  background-color: var(--background-fill-primary);
}

#header {
  display: flex;
  align-items: center;
}
#header > svg {
  display: inline-block;
  width: 1.75rem;
  height: 1.75rem;
  margin-left: 0.5rem;
  fill: #047857 !important;
  animation: spin 3s linear infinite reverse;
}
#header > svg:is(.dark *) {
  fill: #10b981 !important;
}
@keyframes spin {
  100% { transform: rotate(360deg); }
}

#menu-tabs {
  margin-top: 12px;
}

#random-seed > button {
  margin-right: 8px;
}